[Discover] MySpace http://www.myspace.com/ (social friends community tools)
 [Discover] Facebook http://www.facebook.com/ (social friends facebook popular)
 [Discover] YouTube - Broadcast Yourself. http://www.youtube.com/ (video fun media entertainment)
 [Discover] Digg - All News, Videos, & Images http://digg.com/ (news technology digg social)
 [Discover] Twitter http://twitter.com/home (twitter social tools socialnetworking)
 [Discover] Postcrossing - Postcards Traveling The World http://www.postcrossing.com/ (socialnetworking photography photo friends)
 [Discover] Friendster - Home http://www.friendster.com/ (community socialnetwork tools socialnetworking)
 [Discover] Lala - Where music plays http://www.lala.com/ (music sharing social streaming)
 [Discover] Last.fm - Discover new music with free internet radio and the largest music catalogue online http://www.last.fm/ (music community social radio)
 [Discover] F. LinkedIn: Relationships Matter http://www.linkedin.com/?trk=hb_logo (linkedin social professionals networking)
 [Discover] orkut - Accueil http://www.orkut.com/Main#Home.aspx (social networking network google)
 [Discover] Sparkey http://www.myspace.com/elmoisavampire (funny friends cool community)