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http://www.techcrunch.com/2007/11/28/social-site-rankings-october-2007/

These are the public entries for this link:

• Social Site Rankings (October, 2007)
  By schoeny in Public bookmarks with data socialnetworking web2.0
• Social Site Rankings (October, 2007)
  By imartin in Social Web > ComScore & Co with 2007 comscore networks oktober site social usa

NB: The average rating is calculated using the rating for both public and private entries for this link.