http://www.clipmarks.com/

http://delicious.com/

http://www.stumbleupon.com/

http://www.reddit.com/

http://www.technorati.com/

http://www.propeller.com/

http://www.newsvine.com/

http://www.diigo.com/

http://www.mybloglog.com/

http://www.designmoo.com/

http://answers.yahoo.com/

http://www.blinklist.com/

http://www.designfloat.com/

http://www.dzone.com/

http://digg.com/

http://www.indianpad.com/

http://www.simpy.com/

http://multiply.com/

http://faves.com/

http://www.sphinn.com/

http://www.designbump.com/

http://www.mixx.com/

http://www.folkd.com/

http://www.spurl.net/

http://www.netvouz.com/

http://www.killerstartups.com/

http://www.webmasterclip.com/

http://www.blogengage.com/

http://www.jumptags.com/

http://www.clipclip.org/

http://www.jeqq.com/

http://www.plime.com/

http://www.dugstories.com/

http://www.buzzflash.net/

http://scoreguru.com/

http://markpad.org/

http://digg.lv/

http://www.getboo.com/

http://www.mister-wong.com/

http://www.connotea.org/

http://www.socialogs.com/