Here are 10 instances where people combined activism and social networking to spark changes ranging from protection of ancient redwoods to the Arab Spring to playing poker online.
Film lobby head calls last week's outpouring of opposition to anti-piracy bills a "watershed event."
For Internet activists, last week's Web protests against two controversial copyright enforcement bills were a huge victory against three powerful and well-funded trade groups.
Operators of other file-sharing sites worry about who might be the next target of government enforcers.
How copy protection and app stores could deny future generations their cultural legacy.
MegaUpload founder Kim Dotcom is considered a significant flight risk, the Crown argued on behalf of the US government Monday.
An online storage service, FileSonic, has disabled file sharing between users following the takedown of the MegaUpload service for alleged copyright infringement.
Kim Dotcom and the other Megaupload defendants must wait in custody for a few days before learning whether they can be released on bail.
A key legal question of the prominent copyright case is what a platform provider should know about the files on their system.
Despite some serious setbacks, the Stop Online Piracy Act (SOPA) and the Protect IP Act (PIPA) are still alive and still contain several controversial provisions.