The RIAA's extensive campaign against filesharing has drawn in a lot of individuals, but college campuses have remained a major target of the content owners' legal threats. It's pretty clear that there's significant expertise with filesharing on college campuses, so it shouldn't come as a surprise that this expertise has been put to use with other copyrighted materials. Textbook companies are getting worried about the sharing of their bread-and-butter online, and have started a campaign designed to block the sharing at its source.
http://arstechnica.com/news.ars/post/20080701-campus-copyright-battle-moves-to-textbook-torrents.html
