Check out this thread which has an interesting discussion about the threat that the RIAA poses for Gnutella and possible defenses that the Gnutella protocol or clients could include.

http://www.gnutellaforums.com/showth...ss+list+search

For information Fastrack and its ups & downs (Old Morpheus, Grockster & KaZaA) try this news story.

http://www.zeropaid.com/news/article.../03052002b.php