Ask	Backflip	Bebo	BibSonomy
BlinkList	Bloglines	del.icio.us	Digg
Diigo	Evernote	Facebook	Faves
Folkd	FriendFeed	Google	identi.ca
Instapaper	Kirtsy	LinkedIn	LiveJournal
Mixx	Multiply	myAOL	MySpace
NetLog	Netscape	Netvibes	Netvouz
Newsvine	NowPublic	Ping	Plaxo Pulse
Propeller	Protopage	reddit	Simpy
Slashdot	Squidoo	StumbleUpon	Technorati
tumblr	Windows Live	Yahoo Bookmarks	Yahoo Buzz