Arrests, shutdowns of established file-sharing sites like Megaupload and legislation such as S.O.P.A. have driven users to seek a new breed of file-sharing destination. File-sharers are looking for security and privacy and they may have found it with newer solutions such as RetroShare and Tribler.
Naturally, since governments the world over are actively pursuing shutting down file-sharing in a variety of ways, anonymity and a lack of censorship are highly prized. TorrentFreak has more on why these and other options are gaining in popularity: Read More