BitTorrent rolled out a paid music and movie download service on Monday, leveraging its fast distribution system infamous for the massive piracy it facilitated when it debuted in 2001.The BitTorrent Entertainment Network\u2014launched with movies such as Superman Returns, TV shows including 24 and PC games\u2014will be a new entrant challenging other download services such as Apple\u2019s iTunes Store and Amazon.com\u2019s Unbox. BitTorrent\u2019s service is stocked with 5,000 movies, TV shows, PC games and music.BitTorrent, based in San Francisco, has reached agreements with more than 35 entertainment companies including 20th Century Fox, Viacom\u2019s MTV Networks and Metro-Goldwyn-Mayer Studios to offer their content using its peer-to-peer (P-to-P) technology. The technology uses information files called "torrents" that allow users with compatible client software to download files from other users\u2019 computers, reducing the infrastructure needed by a company to run a download service.Although P-to-P is widely used for illegal file sharing, companies have struggled to employ\u00a0the technology\u00a0for viable commercial businesses while also protecting digital content from piracy.BitTorrent will use digital rights management (DRM) technology from Microsoft that will prevent protected content from being redistributed on the Internet or played on a different PC, according to The New York Times. Content will play through Windows Media Player 11, Microsoft\u2019s multimedia application. Some content, however, will not have DRM, BitTorrent said.DRM is loathed by some users, but music and movie companies insist it\u2019s integral to protecting their content from illegal file trading.TV shows on BitTorrent are purchased for ownership, but movies will expire after either 30 days or 24 hours after a user starts watching. TV downloads will cost US$1.99, while movie rentals will range from $2.99 to $3.99.By comparison, TV shows cost $1.99 on Unbox, and movies\u2014which can be owned and played on two PCs and two portable music players\u2014cost up to $14.99. Similarly, the iTunes Store sells to own, with TV episodes priced at $1.99 and movies ranging from $9.99 to $14.99. The download service puts BitTorrent, founded as a company in 2004, in good standing after music and movie industry trade groups sought to cripple it. Under pressure, in November 2005 BitTorrent removed links to torrents from its search engine that pointed to copyright content. However, illegal file sharing still flourishes using BitTorrent\u2019s technology. The company\u2019s cofounder, Bram Cohen, open sourced BitTorrent\u2019s software, and it has been incorporated into numerous different download clients. Also, search engines designed to find torrents linking to copyright material continue to operate despite efforts to shut them.-Jeremy Kirk, IDG News Service (London Bureau)Check out our CIO News Alerts and Tech Informer pages for more updated news coverage.