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Facebook



 
 
Facebook is a free-access social networking
Social network service

A social network service focuses on building online communities of people who share interests and/or activities, or who are interested in exploring the interests and activities of others....
 website that is operated and privately owned
Privately held company

The term privately held company refers to the ownership of a business company in two different ways: first, referring to ownership by non-governmental organizations; and second, referring to ownership of the company's stock by a relatively small number of holders who do not trade the stock publicly on the stock market....
 by Facebook, Inc. Users can join networks organized by city, workplace, school, and region to connect and interact with other people. People can also add friends and send them messages, and update their personal profiles to notify friends about themselves. The website's name refers to the paper facebooks depicting members of a campus
Campus

A campus is traditionally the land on which a college or university and related institutional buildings are situated. Usually a campus includes library, lecture halls, residence halls and park-like settings....
 community that some US
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
 college
College

File:Government college for Women Dhoke Kala Khan.JPGCollege is a term most often used today to denote an education institution. More broadly, it can be the name of any group of collegialitys, for example, an electoral college, a College of Arms or the College of Cardinals....
s and preparatory school
University-preparatory school

A university-preparatory school or college-preparatory school is a secondary education, usually private, designed to prepare students for a college or university education....
s give to incoming students, faculty, and staff as a way to get to know other people on campus.

Mark Zuckerberg
Mark Zuckerberg

Mark Zuckerberg, is an American computer programmer and entrepreneur. As a Harvard student, he created the online social website Facebook, a site popular among students worldwide, with fellow computer science major students and his roommates Dustin Moskovitz and Chris Hughes ....
 founded Facebook with fellow computer science
Computer science

Computer science is the study of the theoretical foundations of information and computation, and of practical techniques for their implementation and application in computer systems....
 major students and his roommates Dustin Moskovitz
Dustin Moskovitz

Dustin Moskovitz co-founded the social networking website Facebook along with Mark Zuckerberg and Chris Hughes ....
 and Chris Hughes
Chris Hughes (Facebook)

Chris R. Hughes co-founded and served as spokesperson for the online social directory, Facebook, with Harvard roommates Mark Zuckerberg and Dustin Moskovitz....
 while he was a student at Harvard University
Harvard University

Harvard University is a private university in Cambridge, Massachusetts, Massachusetts, United States, and a member of the Ivy League. Founded in 1636 by the colonial Massachusetts legislature, Harvard is the Colonial Colleges institution of higher learning in the United States....
. Website membership was initially limited to Harvard students, but was expanded to other colleges in the Boston area, the Ivy League
Ivy League

The Ivy League is an athletic conference comprising eight private institutions of university in the Northeastern United States. The term is most commonly used to refer to those eight schools considered as a group....
, and Stanford University
Stanford University

Leland Stanford Junior University, commonly referred to as Stanford University or Stanford, is a private university research university located in Stanford, California, California, United States....
.






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Facebook is a free-access social networking
Social network service

A social network service focuses on building online communities of people who share interests and/or activities, or who are interested in exploring the interests and activities of others....
 website that is operated and privately owned
Privately held company

The term privately held company refers to the ownership of a business company in two different ways: first, referring to ownership by non-governmental organizations; and second, referring to ownership of the company's stock by a relatively small number of holders who do not trade the stock publicly on the stock market....
 by Facebook, Inc. Users can join networks organized by city, workplace, school, and region to connect and interact with other people. People can also add friends and send them messages, and update their personal profiles to notify friends about themselves. The website's name refers to the paper facebooks depicting members of a campus
Campus

A campus is traditionally the land on which a college or university and related institutional buildings are situated. Usually a campus includes library, lecture halls, residence halls and park-like settings....
 community that some US
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
 college
College

File:Government college for Women Dhoke Kala Khan.JPGCollege is a term most often used today to denote an education institution. More broadly, it can be the name of any group of collegialitys, for example, an electoral college, a College of Arms or the College of Cardinals....
s and preparatory school
University-preparatory school

A university-preparatory school or college-preparatory school is a secondary education, usually private, designed to prepare students for a college or university education....
s give to incoming students, faculty, and staff as a way to get to know other people on campus.

Mark Zuckerberg
Mark Zuckerberg

Mark Zuckerberg, is an American computer programmer and entrepreneur. As a Harvard student, he created the online social website Facebook, a site popular among students worldwide, with fellow computer science major students and his roommates Dustin Moskovitz and Chris Hughes ....
 founded Facebook with fellow computer science
Computer science

Computer science is the study of the theoretical foundations of information and computation, and of practical techniques for their implementation and application in computer systems....
 major students and his roommates Dustin Moskovitz
Dustin Moskovitz

Dustin Moskovitz co-founded the social networking website Facebook along with Mark Zuckerberg and Chris Hughes ....
 and Chris Hughes
Chris Hughes (Facebook)

Chris R. Hughes co-founded and served as spokesperson for the online social directory, Facebook, with Harvard roommates Mark Zuckerberg and Dustin Moskovitz....
 while he was a student at Harvard University
Harvard University

Harvard University is a private university in Cambridge, Massachusetts, Massachusetts, United States, and a member of the Ivy League. Founded in 1636 by the colonial Massachusetts legislature, Harvard is the Colonial Colleges institution of higher learning in the United States....
. Website membership was initially limited to Harvard students, but was expanded to other colleges in the Boston area, the Ivy League
Ivy League

The Ivy League is an athletic conference comprising eight private institutions of university in the Northeastern United States. The term is most commonly used to refer to those eight schools considered as a group....
, and Stanford University
Stanford University

Leland Stanford Junior University, commonly referred to as Stanford University or Stanford, is a private university research university located in Stanford, California, California, United States....
. It later expanded further to include any university student, then high school students, and, finally, to anyone aged 13 and over. The website currently has more than 175 million active users worldwide. Facebook recently surpassed Myspace
MySpace

MySpace is a social network service website with an interactive, user-submitted network of friends, personal profiles, blogs, groups, photos, music, and videos for teenagers and adults internationally....
 in amount of visitors,making Facebook the number 1 social network,followed by Myspace and Twitter
Twitter

Twitter is a social networking and micro-blogging service. It enables its users to send and read other users' updates , which are text-based posts of up to 140 characters in length....
.

Facebook has met with some controversy over the past few years. It has been blocked intermittently in several countries including Syria
Syria

Syria , officially the Syrian Arab Republic , is an Arab-majority country in Southwest Asia, bordering Lebanon and the Mediterranean Sea to the west, Israel to the southwest, Jordan to the south, Iraq to the east, and Turkey to the north....
and Iran
Iran

Iran , officially the Islamic Republic of Iran and formerly known internationally as Persian Empire until 1935, is a country in Central Eurasia, located on the northeastern shore of the Persian Gulf and the southern shore of the Caspian Sea....
. It has also been banned at many places of work to discourage employees from wasting time using the service. Privacy
Criticism of Facebook

Facebook's growth as an Internet social networking site has met criticism, on a range of issues including the privacy of users and unmoderated content affecting advertising....
 has also been an issue, and it has been compromised several times. It is also facing several lawsuits
Criticism of Facebook

Facebook's growth as an Internet social networking site has met criticism, on a range of issues including the privacy of users and unmoderated content affecting advertising....
 from a number of Zuckerberg's former classmates, who claim that Facebook had stolen their source code and other intellectual property.

History

The advent of Facebook came about as a spin-off of a Harvard University
Harvard University

Harvard University is a private university in Cambridge, Massachusetts, Massachusetts, United States, and a member of the Ivy League. Founded in 1636 by the colonial Massachusetts legislature, Harvard is the Colonial Colleges institution of higher learning in the United States....
 version of Hot or Not
Hot or Not

Hot or Not is a rating site that allows users to rate the attractiveness of photos submitted voluntarily by others. The site also offers a match making engine called 'Meet Me' and an extended profile feature called 'HOTLISTS'....
 called Facemash. Mark Zuckerberg
Mark Zuckerberg

Mark Zuckerberg, is an American computer programmer and entrepreneur. As a Harvard student, he created the online social website Facebook, a site popular among students worldwide, with fellow computer science major students and his roommates Dustin Moskovitz and Chris Hughes ....
, while attending Harvard as a sophomore
Sophomore

Sophomore is a term used in the United States to describe a student in the second year of study . The word is also sometimes used in the USA as jargon for the second album released by a musician or group, the second movie of a director, or the second season of a professional athlete....
, concocted Facemash on October 28, 2003. Zuckerberg was blogging about a girl and trying to think of something to do to get her off his mind:

According to the Harvard Crimson, Facemash "used photos compiled from the online facebooks of nine Houses, placing two next to each other at a time and asking users to choose the “hotter” person." The site was quickly forwarded to several campus group list-servers but was shut down a few days later by the Harvard administration. Zuckerberg was charged by the administration with breach of security, violating copyrights and violating individual privacy and faced expulsion, but ultimately the charges were dropped.The following semester, Zuckerman founded "The Facebook", originally located at thefacebook.com, on February 4, 2004. “Everyone’s been talking a lot about a universal face book within Harvard,” Zuckerberg told The Harvard Crimson
The Harvard Crimson

The Harvard Crimson, the daily student newspaper of Harvard University, was founded in 1873. It is the only daily newspaper in Cambridge, Massachusetts, and is run entirely by Harvard College undergraduates....
. “I think it’s kind of silly that it would take the University a couple of years to get around to it. I can do it better than they can, and I can do it in a week.” Membership was initially restricted to students of Harvard College
Harvard College

Harvard College is the undergraduate section and oldest school of Harvard University, a private university in the United States founded in 1636 by the Massachusetts legislature....
, and within the first month, more than half the undergraduate population at Harvard was registered on the service. Eduardo Saverin (business aspects), Dustin Moskovitz
Dustin Moskovitz

Dustin Moskovitz co-founded the social networking website Facebook along with Mark Zuckerberg and Chris Hughes ....
 (programmer), Andrew McCollum (graphic artist), and Chris Hughes
Chris Hughes (Facebook)

Chris R. Hughes co-founded and served as spokesperson for the online social directory, Facebook, with Harvard roommates Mark Zuckerberg and Dustin Moskovitz....
 soon joined Zuckerberg to help promote the website. In March 2004, Facebook expanded to Stanford
Stanford University

Leland Stanford Junior University, commonly referred to as Stanford University or Stanford, is a private university research university located in Stanford, California, California, United States....
, Columbia
Columbia University

Columbia University in the City of New York , is a private university in the United States and a member of the Ivy League. Columbia's main campus lies in the Morningside Heights, Manhattan neighborhood in the borough of Manhattan, in New York City....
, and Yale
Yale University

Yale University is a private university in New Haven, Connecticut. Founded in 1701 as the Collegiate School, Yale is the Colonial Colleges institution of higher education in the United States and is a member of the Ivy League....
. This expansion continued when it opened to all Ivy League
Ivy League

The Ivy League is an athletic conference comprising eight private institutions of university in the Northeastern United States. The term is most commonly used to refer to those eight schools considered as a group....
 and Boston area schools, and gradually most universities in Canada and the United States. In June 2004, Facebook moved its base of operations to Palo Alto, California
California

California is a U.S. state on the West Coast of the United States of the United States, along the Pacific Ocean. It is bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and to the south the Mexico state of Baja California....
.The company dropped The from its name after purchasing the domain name
Domain name

The term domain name has multiple related meanings:* A hostname that identifies a computer or computers on the Internet. These names appear as a component of a Web site's Uniform Resource Locator, e.g....
 facebook.com in 2005 for $200,000. Facebook launched a high school version in September 2005, which Zuckerberg called the next logical step. At that time, high school networks required an invitation to join. Facebook later expanded membership eligibility to employees of several companies, including Apple Inc. and Microsoft
Microsoft

Microsoft Corporation is a multinational corporation computer technology corporation that develops, manufactures, licenses, and supports a wide range of computer software products for computing devices....
. Facebook was then opened on September 26, 2006 to everyone of ages 13 and older with a valid e-mail address
E-mail address

An e-mail address identifies a location to which e-mail messages can be delivered. An e-mail address on the modern Internet looks like, for example, jsmith@example.com and is usually read as "jsmith at example dot com"....
. In October 2008, Facebook announced that it was to set up its international headquarters in Dublin, Ireland.

Financials

Facebook received its first investment of US$
United States dollar

The United States dollar is the unit of currency of the United States and was defined by the Coinage Act of 1792 to be between 371 and 416 grains of silver ....
500,000 in June 2004 from PayPal
PayPal

PayPal is an e-commerce business allowing payments and money transfers to be made through the Internet. PayPal serves as an electronic alternative to traditional paper methods such as Cheque and money orders....
 co-founder Peter Thiel
Peter Thiel

Peter Andreas Thiel is an United States entrepreneur,hedge fund manager, and venture capitalist. With Max Levchin, Thiel co-founded PayPal and was its CEO....
. This was followed a year later by $12.7 million in venture capital
Venture capital

Venture capital is a type of private equity capital typically provided to early-stage, high-potential, Growth investing companies in the interest of generating a return through an eventual realization event such as an IPO or mergers and acquisitions of the company....
 from Accel Partners
Accel Partners

Accel Partners is a private equity firm focused on venture capital investments in two primary sectors: networking and software.The firm is based in Palo Alto, California with major offices in London and Bangalore....
, and then $27.5 million more from Greylock
Greylock

Greylock Partners is one of the oldest venture capital firms, founded in 1965, with committed capital of over $2 billion under management. The firm focuses on early stage companies in the consumer, enterprise software and infrastructure as well as semiconductor sectors....
 Partners. A leaked cash flow statement
Cash flow statement

In financial accounting, a cash flow statement or statement of cash flows is a financial statements that shows a company's flow of cash. The money coming into the business is called cash inflow, and money going out from the business is called cash outflow....
 showed that during the 2005 fiscal year, Facebook had a net loss of $3.63 million.

With the sale of social network
Social network

A social network is a social structure made of nodes that are tied by one or more specific types of interdependency, such as values, visions, ideas, financial exchange, friendship, sexual network, kinship, dislike, conflict or trade....
ing website MySpace
MySpace

MySpace is a social network service website with an interactive, user-submitted network of friends, personal profiles, blogs, groups, photos, music, and videos for teenagers and adults internationally....
 to News Corp
News Corporation

News Corporation , , ) is one of the world's largest Media conglomerate conglomerates. The company's Chairman, Chief Executive Officer and Founder is Rupert Murdoch and the President and Chief Operating Officer is Peter Chernin....
 on July 19, 2005, rumors surfaced about the possible sale of Facebook to a larger media company. Zuckerberg had already said he did not want to sell the company, and denied rumors to the contrary. On March 28, 2006, BusinessWeek
BusinessWeek

BusinessWeek is a business magazine published by McGraw-Hill. It was first published in 1929 under the direction of Malcolm Muir, who was serving as president of the McGraw-Hill Publishing company at the time....
 reported that a potential acquisition of Facebook was under negotiation. Facebook reportedly declined an offer of $750 million from an unknown bidder, and it was rumored the asking price rose as high as $2 billion.

In September 2006, serious talks between Facebook and Yahoo!
Yahoo!

Yahoo! Inc. is an United States public company corporation with headquarters in Sunnyvale, California, , and provides Internet services worldwide....
 took place concerning acquisition of Facebook, with prices reaching as high as $1 billion. Thiel, by then a board member of Facebook, indicated that Facebook's internal valuation was around $8 billion based on their projected revenues of $1 billion by 2015, comparable to Viacom's MTV
MTV

MTV is an United States cable television network based in Media of New York City. Launched on August 1, 1981, the original purpose of the channel was to play music videos guided by on-air hosts known as VJ ....
 brand, a company with a shared target demographic audience.

On July 17, 2007, Zuckerberg said that selling Facebook was unlikely because he wanted to keep it independent, saying "We're not really looking to sell the company. ... We're not looking to IPO
Initial public offering

Initial public offering , also referred to simply as a "public offering" or "flotation," is when a company issues common stock or Share to the public for the first time....
 anytime soon. It's just not the core focus of the company."

In September 2007, Microsoft approached Facebook, proposing an investment in return for a 5% stake in the company, offering an estimated $300–500 million. That month, other companies, including Google
Google

Google Inc. is an United States public company, earning revenue from AdWords related to its Google search, Gmail, Google Maps, Google Apps, Orkut, and YouTube services as well as selling advertising-free versions of the Google Search Appliance....
, expressed interest in buying a portion of Facebook.

On October 24, 2007 Microsoft announced that it had purchased a 1.6% share of Facebook for $240 million, giving Facebook a total implied value of around $15 billion. However, Microsoft bought preferred stock that carried special rights, such as "liquidation preferences" that meant Microsoft would get paid before common stockholders if the company is sold. Microsoft's purchase also included rights to place international ads on Facebook.

In November 2007, Hong Kong
Hong Kong

Hong Kong , officially the Hong Kong Special Administrative Region, is a territory located in Southern China in East Asia, bordering the province of Guangdong to the north and facing the South China Sea to the east, west and south....
 billionaire Li Ka-shing invested $60 million in Facebook.

In August 2008, BusinessWeek
BusinessWeek

BusinessWeek is a business magazine published by McGraw-Hill. It was first published in 1929 under the direction of Malcolm Muir, who was serving as president of the McGraw-Hill Publishing company at the time....
 reported that private sales by employees, as well as purchases by venture capital firms, had and were being done at share prices that put the company's total valuation at between $3.75 billion and $5 billion.

In October 2008, Zuckerberg said "I don't think social networks can be monetized in the same way that search did. ... In three years from now we have to figure out what the optimum model is. But that is not our primary focus today."

Website

Facebook users may choose to join one or more networks, organized by city, workplace, school, and region. These networks help users connect with members of the same network. Users can also connect with friends, giving them access to their friends' profiles.

The website is free to users, but generates revenue from advertising. This includes banner ads
Web banner

A web banner or banner ad is a form of advertising on the World Wide Web. This form of online advertising entails embedding an advertisement into a web page....
. Users can create profiles including photos and lists of personal interests, exchange private or public messages, and join groups of friends. By default, the viewing of detailed profile data is restricted to users from the same network and "reasonable community limitations".

Microsoft is Facebook's exclusive partner for serving banner advertising
Web banner

A web banner or banner ad is a form of advertising on the World Wide Web. This form of online advertising entails embedding an advertisement into a web page....
, and as such Facebook only serves advertisements that exist in Microsoft's advertisement inventory
Advertising network

An advertising network or ad network is a company that connects web sites that want to host advertisements with advertisers who want to run advertisements....
. According to comScore
ComScore

comScore is an internet marketing research company that provides marketing data and services to many of the Internet's largest businesses. comScore tracks all internet data on its surveyed computers in order to study online behavior....
, an internet marketing research
Marketing research

Marketing research, or market research, is a form of business research and is generally divided into two categories: consumer market research and business-to-business market research, which was previously known as industrial marketing research....
 company, Facebook collects as much data from its visitors as Google and Microsoft, but considerably less than Yahoo!
Yahoo!

Yahoo! Inc. is an United States public company corporation with headquarters in Sunnyvale, California, , and provides Internet services worldwide....
.

Features


The media often compares Facebook to MySpace
MySpace

MySpace is a social network service website with an interactive, user-submitted network of friends, personal profiles, blogs, groups, photos, music, and videos for teenagers and adults internationally....
, but one significant difference between the two websites is the level of customization. MySpace allows users to decorate their profiles using HTML
HTML

HTML, an Acronym and initialism of HyperText Markup Language, is the predominant markup language for Web pages. It provides a means to describe the structure of text-based information in a document?by denoting certain text as links, headings, paragraphs, lists, and so on?and to supplement that text with interactive forms, embedded '...
 and Cascading Style Sheets
Cascading Style Sheets

Cascading Style Sheets is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML and XHTML, but the language can be applied to any kind of XML document, including Scalable Vector Graphics and XUL....
 (CSS), while Facebook only allows plain text
Plain text

In computing, plain text is a term used for an ordinary "unformatted" sequential file readable as textual material without much processing.The Character encoding has traditionally been either ASCII, one of its many derivatives such as ISO/IEC 646 etc., or sometimes EBCDIC....
.

Facebook has a number of features with which users may interact. They include the Wall
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
, a space on every user's profile page that allows friends to post messages for the user to see, Pokes
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
, which allows users to send a virtual "poke" to each other (a notification that tells a user that they have been poked), Photos
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
, where users can upload albums and photos, and Status
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
, which allows users to inform their friends of their whereabouts and actions. A user's Wall is visible to anyone who is able to see that user's profile, which depends on their privacy settings. In July 2007, Facebook began allowing users to post attachments to the Wall, whereas the Wall was previously limited to textual content only.

Over time, Facebook has added several new features to its website. On September 6, 2006, a News Feed
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
 was announced, which appears on every user's homepage and highlights information including profile changes, upcoming events, and birthdays related to the user's friends. Initially, the News Feed caused dissatisfaction among Facebook users; some complained it was too cluttered and full of undesired information, while others were concerned it made it too easy for other people to track down individual activities (such as changes in relationship status, events, and conversations with other users). In response to this dissatisfaction, Zuckerberg issued an apology for the site's failure to include appropriate customizable privacy features. Since then, users have been able to control what types of information are shared automatically with friends. Users are now able to prevent friends from seeing updates about different types of activities, including profile changes, Wall posts, and newly added friends.

One of the most popular applications on Facebook is the Photos
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
 application, where users can upload albums and photos. Facebook allows users to upload an unlimited number of photos, compared with other image hosting service
Image hosting service

An image hosting service allows individuals to upload to an Internet website. The image host will then store the image onto its server, and show the individual different types of code to allow others to view that image....
s such as Photobucket
Photobucket

Photobucket is an , video hosting, slideshow creation and photo sharing website. It was founded in 2003 by Alex Welch and Darren Crystal and received funding from Trinity Ventures....
 and Flickr
Flickr

Flickr is an and video hosting service website, web services suite, and online community platform. In addition to being a popular Web site for users to share personal photographs, the service is widely used by bloggers as a photo repository....
, which apply limits to the number of photos that a user is allowed to upload. In the past, all users were limited to 60 photos per album. However, some users report that they are able to create albums with a new limit of 200 photos. It remains unclear why some members have a 200-photo limit while others do not. Privacy settings can be set for individual albums, limiting the groups of users that can see an album. For example, the privacy of an album can be set so that only the user's friends can see the album, while the privacy of another album can be set so that all Facebook users can see it. Another feature of the Photos applications is the ability to "tag
Tag (metadata)

A tag is a non-hierarchical index term assigned to a piece of information . This kind of metadata helps describe an item and allows it to be found again by browsing or searching....
", or label users in a photo. For instance, if a photo contains a user's friend, then the user can tag the friend in the photo. This sends a notification to the friend that they have been tagged, and provides them a link to see the photo.

Facebook Notes was introduced on August 22, 2006, a blogging feature that allowed tags and embeddable images. Users were later able to import blogs from Xanga
Xanga

Xanga is a website that hosts blog hosting service, photoblogs, and social networking service. It is operated by Xanga.com, Inc., based in New York City....
, LiveJournal
LiveJournal

LiveJournal is a virtual community where Internet users can keep a blog, journal or diary. LiveJournal is also the name of the free software and open source software Server software that was designed to run the LiveJournal virtual community....
, Blogger
Blogger (service)

Blogger is a blog publishing system. It was created by Pyra Labs, which was bought by Google in 2003. Although its website is , the blogs it hosts are all subdomain of blogspot.com....
, and other blogging services. During the week of April 7, 2008, Facebook released a Comet
Comet (programming)

In web development, Comet is a neologism to describe a web application model in which a long-held [] request allows a web server to Push technology data to a browser, without the browser explicitly requesting it....
-based instant messaging
Instant messaging

Instant messaging is a form of Real-time computing communication between two or more people based on typed text. The Written language is conveyed via devices connected over a network such as the Internet....
 application called "Chat" to several networks, which allows users to communicate with friends and is similar in functionality to desktop-based instant messengers.

Facebook launched Gifts
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
 on February 8, 2007, which allows users to send virtual gifts to their friends that appear on the recipient's profile. Gifts cost $1.00 each to purchase, and a personalized message can be attached to each gift. On May 14, 2007, Facebook launched Marketplace
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
, which lets users post free classified ads. Marketplace has been compared to Craigslist
Craigslist

Craigslist is a centralized network of online communities, featuring free Online classified advertising ? with jobs, internships, housing, personal advertisement, erotic services, for sale/barter/wanted, services, community, gigs, r?sum?s, and pets categories ? and Internet forum on various topics....
 by CNET
CNET

CNET Networks, Inc. was a mass media corporation based in San Francisco, California, United States. The company was co-founded in 1993 by Halsey Minor and Shelby Bonnie....
, which points out that the major difference between the two is that listings posted by a user on Marketplace are only seen by users that are in the same network as that user, whereas listings posted on Craigslist can be seen by anyone.

On July 20, 2008, Facebook introduced "Facebook Beta", a significant redesign of its user interface on selected networks. The Mini-Feed and Wall were consolidated, profiles were separated into tabbed sections, and an effort was made to create a "cleaner" look. After initially giving users a choice to switch, Facebook began migrating all users to the new version beginning September, 2008.

On December 11, 2008, it was announced that Facebook is testing out a new simpler signup process.

Platform

Facebook launched the Facebook Platform on May 24, 2007, providing a framework
Software framework

A software framework, in computer programming, is an abstraction in which common code providing generic functionality can be selectively overridden or specialized by user code providing specific functionality....
 for software developer
Software developer

A software developer is a person or organization concerned with facets of the software development process wider than design and coding, a somewhat broader scope of computer programming or a specialty of project manager including some aspects of Software product management....
s to create applications
Application software

Application software is any tool that functions and is operated by means of a computer, with the purpose of supporting or improving the software user 's work....
 that interact with core Facebook features. A markup language called Facebook Markup Language
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
 was introduced simultaneously; it is used to customize the "look and feel" of applications that developers create. Using the Platform, Facebook launched several new applications, including Gifts, allowing users to send virtual gifts to each other, Marketplace
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
, allowing users to post free classified ads, Events
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
, giving users a method of informing their friends about upcoming events, and Video
Facebook features

Facebook is a social network service website. This is a list of features that can be found on the website. Basic features include friend networking with others and posting on a "wall"....
, letting users share homemade videos with one another.

Applications that have been created on the Platform include chess
Chess

Chess is a recreational and competitive game played between two Player . Sometimes called Western chess or international chess to distinguish it from History of chess and other chess variants, the current form of the game emerged in Southern Europe during the second half of the 15th century after evolving from similar, much older...
 and Scrabble
Scrabble

Scrabble is a word game in which two to four players score points by forming words from individual lettered tiles on a game board marked with a 15-by-15 grid....
, which both allow users to play games with their friends. These games are asynchronous
Asynchronous communication

In telecommunications, Asynchronous communication is transmission of data without the use of an external clock signal. Any timing required to recover data from the communication symbols is encoded within the symbols....
, meaning that a user's moves are saved on the website, allowing the next move to be made at any time rather than immediately after the previous move.

By November 3, 2007, seven thousand applications had been developed on the Facebook Platform, with another hundred created everyday. By the second annual f8 developers conference on July 23, 2008, the number of applications had grown to 33,000, and the number of registered developers had exceeded 400,000.

Within a few months of launching the Facebook Platform, issues arose regarding "application spam
Spam (electronic)

Spam is the abuse of electronic messaging systems to send unsolicited bulk messages indiscriminately. While the most widely recognized form of spam is e-mail spam, the term is applied to similar abuses in other media: Messaging spam, Newsgroup spam, spamdexing, spam in blogs, wiki spam, Classified advertising spam, mobile phone spam, Forum...
", which involves Facebook applications "spamming" users to request it be installed. Application spam has been considered one of the possible causes to the drop in visitors to Facebook starting from the beginning of 2008, when its growth had fallen from December 2007 to January 2008, its first drop since its launch in 2004.

Reception and popularity

According to comScore
ComScore

comScore is an internet marketing research company that provides marketing data and services to many of the Internet's largest businesses. comScore tracks all internet data on its surveyed computers in order to study online behavior....
, Facebook is the leading social networking site based on monthly unique visitors, having overtaken main competitor MySpace in April 2008. ComScore reports that Facebook attracted 132.1 million unique visitors in June 2008, compared to MySpace, which attracted 117.6 million.

According to Alexa
Alexa Internet

Alexa Internet, Inc. is a California-based subsidiary company of Amazon.com that is best known for operating a website that provides information on web traffic to other websites....
, the website's ranking among all websites increased from 60th to 7th in terms of worldwide traffic, from September 2006 to September 2007, and is currently 5th. Quantcast
Quantcast

Quantcast is a Web site that is based on viewing the statistics of other Web sites. Quantcast prime focus is to analyze the Internet's Web sites in order to obtain accurate statistics....
 ranks the website 15th in US in terms of traffic, and Compete.com
Compete.com

Compete.com is a United States web traffic analysis service that publishes the approximate number of U.S. visitors to the top 1,000,000 web sites in the United States....
 ranks it 14th in US. The website is the most popular for uploading photos, with 14 million uploaded daily.

Facebook is the most popular social networking site in several English-speaking countries
List of countries where English is an official language

The following is a list of sovereign states and Territory where English language is an official language. Several of these nations, like India, Ireland, New Zealand, Canada and the Philippines, use English as an official language but not the sole official language ....
, including Canada and the United Kingdom. However, in the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
, it has 36 million users compared to MySpace's 73 million. The website has won awards such as placement into the "Top 100 Classic Websites" by PC Magazine
PC Magazine

PC Magazine is a computer magazine that was published monthly in the United States both in Printing and online until January 2009. In November 2008 it was announced that the of the magazine would be discontinued, but there would still be an online version....
 in 2007, and winning the "People's Voice Award" from the Webby Awards
Webby Awards

The Webby Awards is an international award honoring excellence on the Internet, including websites, interactive advertising, online film and video, and mobile web sites, presented by The International Academy of Digital Arts and Sciences since 1996....
 in 2008. In a 2006 study conducted by Student Monitor, a New Jersey
New Jersey

New Jersey is a state in the Mid-Atlantic States and Northeastern United States regions of the United States. It is bordered on the north by New York, on the east by the Hudson River and the Atlantic Ocean, on the southwest by Delaware, and on the west by Pennsylvania....
-based company specializing in research concerning the college student market, Facebook was named the second most popular thing among undergraduates, tied with beer
Beer

Beer is the world's oldest and most widely consumed alcoholic beverage and the third most popular drink overall after water and tea. It is produced by the brewing and Fermentation of starches, mainly derived from cereal?the most common of which is malted barley, although wheat, maize , and rice are widely used....
 and only ranked lower than the iPod
IPod

iPod is a brand of portable media players designed and marketed by Apple Inc. and launched on . The product line-up includes the hard drive-based iPod Classic, the touchscreen iPod Touch, the video-capable iPod Nano, and the compact iPod Shuffle....
.

Use by courts

In December 2008, the Supreme Court of the Australian Capital Territory
Supreme Court of the Australian Capital Territory

File:Law Courts of the Australian Capital Territory.jpgThe Supreme Court of the Australian Capital Territory is the superior court for the Australian Capital Territory....
 ruled that Facebook is a valid protocol
Protocol

Protocol may also refer to:...
 to serve court notices to defendants. It is believed to be the world's first legal judgment that defines a summons
Summons

A summons is a legal document issued by a court or by an administrative agency of government for various purposes....
 posted on Facebook to be legally binding.

Potential future film

Sony Pictures, and The West Wing creator Aaron Sorkin
Aaron Sorkin

Aaron Benjamin Sorkin is an United States screenwriter, television producer and playwright. After graduating from Syracuse University with a Bachelor of Fine Arts degree in Musical Theatre in 1983, Sorkin spent much of the 1980s in New York as a struggling, largely unemployed actor....
, have confirmed they are in the process of developing a movie "about the founders of social networking site Facebook." Sorkin has set up his own account on the site, stating, "I honestly don't know how this works, which is why I'm here." The film so far, is untitled, and will be produced by Scott Rudin
Scott Rudin

Scott Rudin is an Academy Award-winning United States film film producer and a Tony Award-winning theatre theatrical producer.Rudin lives in New York City with his longtime boyfriend John Barlow, a Broadway theatre publicist and founding partner of Barlow/Hartman Public Relations....
. According to the Telegraph
The Daily Telegraph

The Daily Telegraph is a British broadsheet newspaper, founded in 1855. Excepting the Financial Times and The Herald , it is the only remaining national daily newspaper printed on traditional newsprint in the broadsheet format in the United Kingdom, as most other broadsheet publications have converted to the smaller tabloid/Compa...
, the film is expected to focus on Zuckerberg, and 2,500 Facebook users have joined the movies group associated with Sorkin's film, suggesting "plot pointers, offering to help or even asking for a role in the film." Sony was quick to refute suggestions that the film is a hoax (especially after musings that it might be a fake Sorkin account of which there are a number already), with Steve Elzer saying, "We are developing the film that has been reported". However, a spokesperson for Facebook said that, "We are routinely approached by writers and filmmakers interested in telling the Facebook story... At this point, we have not agreed to cooperate with any film project, but we are flattered by the interest."

Controversies


Facebook has met with some controversy over the past few years. In October 2005, the University of New Mexico
University of New Mexico

The University of New Mexico is a public university in Albuquerque, New Mexico, New Mexico, USA. It was founded in 1889. It offers multiple bachelor's, master's, doctoral, and professional degree programs in all areas of the arts, sciences, and engineering....
 blocked access to Facebook from its campus computers and networks. It cited a violation of the university's Acceptable Use Policy
Acceptable use policy

An acceptable use policy is a set of Norm applied by Computer network and Website which restrict the ways in which the network or Website may be used....
 for abusing computer resources as the reason, stating the website forces use of the university's credentials for activity not related to the university. The school later unblocked Facebook after the website rectified the situation by displaying a notice on the login page stating the credentials used on the website are separate from the ones used for their school accounts. The Ontario
Ontario

Ontario is a Provinces and territories of Canada located in the Central Canada part of Canada, the largest by population and second largest, after Quebec, in total area....
 government also blocked access to Facebook for its employees in May 2007, stating the website was "not directly related to the workplace".

On January 1, 2008, a memorial group on Facebook posted the identity of murdered Toronto
Toronto

Toronto is the List of the 100 largest municipalities in Canada by population in Canada and the Provinces and territories of Canada Provincial and territorial capitals of Canada of Ontario....
 teenager Stefanie Rengel, whose family had not yet given the Toronto Police Service
Toronto Police Service

The Toronto Police Service , formerly the Metropolitan Toronto Police, is the police force for the City of Toronto, Ontario, Canada....
 their consent to release her name to the media, as well as the identities of her accused killers — despite the fact that under Canada's Youth Criminal Justice Act
Youth Criminal Justice Act

Canada's Youth Criminal Justice Act is a Canada statute, which came into effect on April 1, 2003, covering the prosecution of youth's for criminal law....
, it is illegal to publish the name of an underage criminal. While police and Facebook staff attempted to comply with the privacy regulations by deleting posts mentioning her name, they noted it was difficult to effectively police individual users who repeatedly republished the deleted information.

Due to the open nature of Facebook, several countries have banned access to it including Syria
Syria

Syria , officially the Syrian Arab Republic , is an Arab-majority country in Southwest Asia, bordering Lebanon and the Mediterranean Sea to the west, Israel to the southwest, Jordan to the south, Iraq to the east, and Turkey to the north....
 and Iran
Iran

Iran , officially the Islamic Republic of Iran and formerly known internationally as Persian Empire until 1935, is a country in Central Eurasia, located on the northeastern shore of the Persian Gulf and the southern shore of the Caspian Sea....
. The Syrian government cited the ban was on the premise that the website promoted attacks on authorities. The government also feared Israeli infiltration of Syrian social networks on Facebook. Facebook was also used by Syrian citizens to criticize the government, and public criticism of the Syrian government is punishable by imprisonment. In Iran, the website was banned because of fears that opposition movements were being organized on the website.

On February 5, 2008, Fouad Mourtada, a citizen of Morocco
Morocco

Morocco , officially the Kingdom of Morocco , is a country located in North Africa with a population of nearly 34 million and an area just under 447,000 km2....
, was arrested for the alleged creation of a faked Facebook profile of Prince Moulay Rachid of Morocco
Prince Moulay Rachid of Morocco

His Royal Highness Prince Moulay Rachid of Morocco, also known as Prince Moulay Rachid ben al-Hassan was born on June 20, 1970 in Rabat as the youngest child of the late Hassan II of Morocco....
.

Beacon

Facebook announced Facebook Beacon
Facebook Beacon

Beacon is a part of Facebook's advertisement system that sends data from external websites to Facebook, ostensibly for the purpose of allowing targeted advertisements and allowing users to share their activities with their friends....
 on November 7, 2007, a marketing initiative that allows websites to publish a user's activities to their Facebook profile as "Social Ads" and promote products. When launching Beacon, Facebook stated "no personally identifiable information is shared with an advertiser in creating a Social Ad", and that "Facebook users will only see Social Ads to the extent their friends are sharing information with them." After Facebook was criticized for collecting more user information for advertisers than was previously stated, Zuckerberg publicly apologized on December 5, 2007 for the way Facebook launched Beacon, saying, "The problem with our initial approach of making it an opt-out system instead of opt-in was that if someone forgot to decline to share something, Beacon still went ahead and shared it with their friends."

Privacy

Several concerns have emerged regarding the use of Facebook as a means of surveillance and data mining
Data mining

Data mining is the process of extracting hidden patterns from data. As more data is gathered, with the amount of data doubling every three years, data mining is becoming an increasingly important tool to transform this data into information....
. Two MIT
Massachusetts Institute of Technology

The Massachusetts Institute of Technology is a private university research university located in Cambridge, Massachusetts, Massachusetts, United States....
 students were able to download over 70,000 Facebook profiles from four schools (MIT, New York University
New York University

New York University is a private university, nonsectarian, research university in New York City. NYU's main campus is situated in the Greenwich Village section of Manhattan....
, the University of Oklahoma
University of Oklahoma

University of Oklahoma, abbreviated OU, is a coeducational public university research university located in Norman, Oklahoma. Founded in 1890, it existed in Oklahoma Territory near Indian Territory for 17 years before the two became the state of Oklahoma....
, and Harvard University
Harvard University

Harvard University is a private university in Cambridge, Massachusetts, Massachusetts, United States, and a member of the Ivy League. Founded in 1636 by the colonial Massachusetts legislature, Harvard is the Colonial Colleges institution of higher learning in the United States....
) using an automated shell script
Shell script

A shell script is a Scripting language written for the Shell , or command line interpreter, of an operating system. It is often considered a simple domain-specific programming language....
, as part of a research project on Facebook privacy published on December 14, 2005. The possibility of data mining remains open, as evidenced in May 2008, when the BBC technology program "Click
Click (TV series)

Click is a weekly BBC television programme covering news and recent developments in the world of consumer technology, presented by Spencer Kelly....
" demonstrated that personal details of Facebook users and their friends could be stolen by submitting malicious applications.

Privacy proponents have criticized the site's privacy agreement, which states: "We may use information about you that we collect from other sources, including but not limited to newspapers and Internet sources such as blogs, instant messaging services, Facebook Platform developers and other users of Facebook, to supplement your profile." Another clause that received criticism concerned Facebook's right to sell a user's data to private companies, stating: "We may share your information with third parties, including responsible companies with which we have a relationship." This concern was addressed by Facebook spokesman Chris Hughes
Chris Hughes (Facebook)

Chris R. Hughes co-founded and served as spokesperson for the online social directory, Facebook, with Harvard roommates Mark Zuckerberg and Dustin Moskovitz....
 who said, "Simply put, we have never provided our users' information to third party companies, nor do we intend to."

Concerns have also been raised regarding the difficulty of deleting user accounts. Previously, Facebook only allowed users to "deactivate" their accounts so that their profile was no longer visible. However, any information the user had entered into the website and on their profile remained on the website's servers
Server (computing)

A server is a computer program that provides services to other computer programs , in the same or other computer. The physical computer that runs a server program is also often referred to as server....
. This outraged many users who wished to remove their accounts permanently, citing reasons such as the inability to erase "embarrassing or overly-personal online profiles from their student days as they entered the job market, for fear employers would locate the profiles". Facebook changed its account deletion policies on February 29, 2008, allowing users to contact the website to request that their accounts be permanently deleted.

The pro-mafia groups' case

In Italy
Italy

Italy , officially the Italian Republic , is a country located on the Italian Peninsula in Southern Europe and on the two largest islands in the Mediterranean Sea, Sicily and Sardinia....
 the discovering of pro-mafia
Mafia

The Mafia is a Sicily criminal society which is believed to have emerged in late 19th century Sicily. It is a loose association of criminal groups that share a common organizational structure and code of conduct....
 groups caused an alert in the country and brought the government, after a short debate, to rapidly issue a law which will force ISPs to deny access to entire sites in case of refused removal of illegal contents; the removal can be requested by a prosecutor in any case there is a suspect that criminal speech
Criminal speech

Criminal speech is a legal concept that identifies certain kinds of speech as a crime. The concept is somewhat at odds with freedom of speech , within the broader freedom of expression, and asserts certain limitations on such freedom....
 (apology
Apology

An apology is a justification or defense of an act or idea, from the Greek apologia . An apology can also be an expression of contrition and remorse for something done wrong....
 or incitement to crime
Crime

Societies define Crime as the breach of one or more rules or laws for which some Government or force may ultimately prescribe a punishment.The word crime originates from the Latin crimen , from the Latin root cerno and Greek ????? = "I judge"....
) is published on a website. The amendment was passed by the Senate on February 5, 2008, and now needs to be passed unchanged by the "Camera", the other Chamber to become immediately effective.

Facebook and other social network websites, Google
Google

Google Inc. is an United States public company, earning revenue from AdWords related to its Google search, Gmail, Google Maps, Google Apps, Orkut, and YouTube services as well as selling advertising-free versions of the Google Search Appliance....
 included, criticized the amendment emphasizing the eventual effects on the freedom of speech
Freedom of speech

Freedom of speech is the freedom to speak freely without censorship or limitation. The synonymous term freedom of expression is sometimes used to denote not only freedom of verbal speech but any act of seeking, receiving and imparting information or ideas, regardless of the medium used....
 of those users who don't violate any law.

Litigation


ConnectU

In 2004 ConnectU, a company founded by classmates of Zuckerberg, filed a lawsuit against Facebook, claiming that Zuckerberg had broken an oral contract
Oral contract

An oral contract is a contract that terms of which have been agreed by spoken communication, in contrast to a written contract, where the contract is a written document....
 for them to build the Facebook site, copied their idea, and used source code
Source code

In computer science, source code is any collection of statements or declarations written in some human-readable computer programming language....
 that belonged to them. The parties reached a confidential settlement agreement in February 2008. In 2008 they attempted unsuccessfully to rescind the settlement, claiming that Facebook had understated its valuation in connection with its settlement negotiations. Despite the confidentiality agreement, a law firm that respresented ConnectU inadvertantly disclosed the $65 million settlement amount.

StudiVZ

On July 18, 2008, Facebook sued StudiVZ
StudiVZ

StudiVZ is a social networking platform for students, in particular college and university students in Europe, based in Berlin, Germany. The name is an abbreviation of the German language expression Studentenverzeichnis, which means students' directory....
 in a California federal court, alleging that StudiVZ copied its look, feel, features and services. StudiVZ denied the claims, and asked for declaratory judgment
Declaratory judgment

A declaratory judgment is a judgment of a court in a civil case which declares the rights, duties, or obligations of each party in a dispute. It is commonly called a declaratory ruling, a term which also includes decisions of regulatory government agency....
 at the District Court in Stuttgart, Germany.

Grant Raphael

On July 24, 2008 the High Court in London ordered Grant Raphael to pay GBP £22,000 (about USD $31,500 at the February 2009 exchange rate) for breach of privacy and libel. Raphael had posted a fake Facebook page purporting to be that of a former schoolfriend and business colleague, Mathew Firsht, with whom Raphael had fallen out in 2000. The fake page claimed that Firscht was homosexual and untrustworthy. The case is believed to be the first successful invasion of privacy
Invasion of privacy

United States privacy law embodies several different law concepts. One is the invasion of privacy, a tort based in common law allowing an aggrieved party to bring a lawsuit against an individual who unlawfully intrudes into his or her private affairs, discloses his or her private information, publicizes him or her in a false light, or app...
 and defamation verdict against someone over an entry on a social networking site.

Adam Guerbuez

Facebook won a lawsuit against Canadian Adam Guerbuez, of Montreal
Montreal

Montreal, or Montr?al, is the largest city in the Provinces and territories of Canada of Quebec and the List of largest cities and second largest cities by country List of the 100 largest municipalities in Canada by population....
, worth $873 million. Guerbuez had spammed the website with various advertisements including penis enhancement
Penis enlargement

Penis enlargement procedures are techniques alleged to make the human penis larger. These procedures range from manual exercises to devices and medical interventions, with reports of successes and failures around the world, and while some are known to be hoaxes, there is no popularly known scientific proof about their effectiveness in genera...
s and marijuana. Guerbuez founded Atlantis Blue Capital.

Alessandro Del Piero

On 09Feb2009 it was reported that Juventus football (soccer) player Alessandro Del Piero
Alessandro Del Piero

Alessandro Del Piero, Italian orders of merit is an Italians FIFA World Cup-winning Association football. He currently plays for Juventus F.C....
 was suing Facebook over a fake profile bearing his name that links to Nazi propaganda
Propaganda

Propaganda is the dissemination of information aimed at influencing the opinions or behaviors of large numbers of people. As opposed to Objectivity providing information, propaganda in its most basic sense presents information in order to influence its audience....
 sites. The Italian footballer was said to be aggrieved that the bogus account, which carries his picture, implies neo-Nazi sympathies. Del Piero stated he's never had a Facebook profile.

See also


  • MySpace
    MySpace

    MySpace is a social network service website with an interactive, user-submitted network of friends, personal profiles, blogs, groups, photos, music, and videos for teenagers and adults internationally....


External links