• Top 30 Social Bookmarking Sites
  30 Largest Social Bookmarking Sites | February 2008 Here are the 30 Largest Social Bookmarking Sites ranked by a combination of Inbound Links, Google Page Rank, Alexa Rank, and U.S. traffic data from Compete and Quantcast.
  in Public bookmarks with bookmarking bookmarks online social web2.0 by 25 users
• Diigo - Social bookmarker
  Highlight, Clip and Sticky-Note for any webpage Just as you would on paper ⇒ Write on any webpage! Make them private or public ⇒ Interact on any webpage! Share your online findings with your friends and colleagues Complete with highlights and sticky notes as lists, as blogs, as albums, as feeds, or via email in groups
  Diigo is a powerful research tool and a knowledge-sharing community
  in Web2.0 with bookmarker bookmarking social web2.0 by 79 users

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