Universal Music Group sued MySpace.com late Friday, claiming that the social-networking site is infringing on the copyrights of thousands of songs and videos.

New MySpace copyright tech turns heads, raises brows

Site launches feature to combat unauthorised use of copyrighted video content, but can "Take Down Stay Down" stay up?

Digg in tough spot with DMCA debacle

It was a whirlwind Tuesday for the social news site Digg, complete with a cease-and-desist letter, a mutinous user base and speculation that it might get sucked into a legal battle.

All Lawsuit, Social Networking News