Social Bookmarking Sites

Blinklist.com

Clipmarks.com

Del.icio.us

DIGG

Diigo.com

Dzone.com

Fark.com

Faves.com

Kaboodle.com

Mixx.com

Newsvine

Propeller.com

Reddit.com

Slashdot.org

StumbleUpon

Technorati

Twitter

Twine.com

Tweetmeme.com

Yahoo! Buzz