DataPlay is an optical disc

Optical disc

In computing and optical disc recording technologies, an optical disc is a flat, usually circular disc which encodes binary data in the form of pits and lands on a special material on one of its flat surfaces...

 system developed by DataPlay Inc. and released to the consumer market in 2002. Using very small (32mm diameter) disks enclosed in a protective cartridge storing 250MB per side, DataPlay was intended primarily for portable music playback, including both pre-recorded disks and user-recorded disks (and disks that combined pre-recorded information with a writable area).

DataPlay included an elaborate digital rights management

Digital rights management

Digital rights management is a class of access control technologies that are used by hardware manufacturers, publishers, copyright holders and individuals with the intent to limit the use of digital content and devices after sale. DRM is any technology that inhibits uses of digital content that...

 system designed to allow consumers to "unlock" extra pre-recorded content on the disk, after the initial purchase.

The recorded music industry was generally supportive of DataPlay and a small number of a pre-recorded DataPlay disks were released, including a Britney Spears

Britney Spears

Britney Jean Spears is an American recording artist and entertainer. Born in McComb, Mississippi, and raised in Kentwood, Louisiana, Spears began performing as a child, landing acting roles in stage productions and television shows. She signed with Jive Records in 1997 and released her debut album...

album. However, as a pre-recorded format DataPlay was a dismal failure.