AOL Lifestream 
Bebo 
Bibsonomy 
Blogger 
Connotea 
Delicious 
Digg 
Diigo 
Facebook
Facebook Group
Facebook Page 
Folkd 
FriendFeed 
Google Bookmarks 
Google Plus
Google Plus Page 
Hi5 
identi.ca 
Jumptags 
Kaboodle 
Karmalynx 
LinkaGoGo 
LinkedIn
LinkedIn Group 
LiveJournal 
Mister Wong 
Multiply 
MyAOL 
My Link Vault 
MySpace 
Netlog 
Netvibes 
Newsvine 
Plaxo 
Plurk 
Posterous 
Reddit 
Scribd 
Serpd 
Sonico 
Stumbleupon 
Tagged 
Tumblr 
Twitter 
TypePad 
Wordpress 
Yelp 
