BlueLithium is an online advertising network

Advertising network

An online advertising network or ad network is a company that connects advertisers to web sites that want to host advertisements. The key function of an ad network is aggregation of ad space supply from publishers and matching it with advertiser demand...

, founded by Gurbaksh Chahal

Gurbaksh Chahal

Gurbaksh Singh Chahal is an Indian-American internet entrepreneur and a best-selling author. By the age of 25, he had founded and sold two advertising companies for a total of US$340 million.-Early life:...

 in January 2004. Its service is intended to join behavioral targeting

Behavioral targeting

Behavioral targeting is a technique used by online publishers and advertisers to increase the effectiveness of their campaigns.Behavioral targeting uses information collected on an individual's web-browsing behavior, such as the pages they have visited or the searches they have made, to select...

 with advanced data analytics to improve campaign optimization over a global advertising network.

BlueLithium is headquartered in San Jose

San Jose, California

San Jose is the third-largest city in California, the tenth-largest in the U.S., and the county seat of Santa Clara County which is located at the southern end of San Francisco Bay...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 with offices in London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

, Minsk

Minsk

- Ecological situation :The ecological situation is monitored by Republican Center of Radioactive and Environmental Control .During 2003–2008 the overall weight of contaminants increased from 186,000 to 247,400 tons. The change of gas as industrial fuel to mazut for financial reasons has worsened...

 and across the USA. In 2006, BlueLithium was named Top Innovator of the Year by venture organization AlwaysOn.

On September 4, 2007, Yahoo!

Yahoo!

Yahoo! Inc. is an American multinational internet corporation headquartered in Sunnyvale, California, United States. The company is perhaps best known for its web portal, search engine , Yahoo! Directory, Yahoo! Mail, Yahoo! News, Yahoo! Groups, Yahoo! Answers, advertising, online mapping ,...

 announced the acquisition of BlueLithium for $300 million.

BlueLithium is now known as Yahoo! Advertising.