List of Famous Social Networking

Badoo.com
Bebo.com
Digg.com
Douban.com
Facebook.com
Fark.com
Flickr.com
Flixster.com
Foursquare.com
Friendster.com
Gather.com
Habbo.com
Hi5.com
Hyves.nl
Identi.ca
Imvu.com
IndianPad.com
Kaixin001.com
Last.fm
Linkedin.com
Livejournal.com
Meetup.com
Metafilter.com
Mixi.jp
Mixx.com
Multiply.com
Myspace.com
Netlog.com
Newsvine.com
Ning.com
NK.pl
Odnoklassniki.ru
Plaxo.com
Plurk.com
qq.com
Reddit.com
Renren.com
Reunion.com
Skyrock.com
Sonico.com
Stumbleupon.com
Tagged.com
Taringa.net
Tribe.net
Tuenti.com
Tumblr.com
Twitter.com
Vkontakte.ru
Wayn.com
Weibo.com
Wer-kennt-wen.de
Xanga.com
Yelp.com
YouTube.com