Just a quick first post for starters. Here is a list of 64 Do-Follow social bookmarking sites and their page rank. This list can be very useful if you use Bookmarking Demon (Will be more on this later) or if you use social bookmarking tactics for your marketing.I am not sure if they are all still active but ether way its useful:

Site List & PR:Social Bookmarking

  1. http://slashdot.org (PR9)
  2. http://digg.com (PR8)
  3. http://technorati.com (PR8) (Only Blogs)
  4. http://www.furl.net (PR7)
  5. http://www.backflip.com (PR7)
  6. http://www.hugg.com (PR7)
  7. http://www.mixx.com (PR7)
  8. http://ma.gnolia.com (PR7)
  9. http://www.connotea.org (PR7)
  10. http://mystuff.ask.com (PR7)
  11. http://www.reddit.com (PR7)
  12. http://www.dzone.com (PR7)
  13. http://www.folkd.com (PR7)
  14. http://multiply.com (PR7)
  15. http://www.searchles.com (PR6)
  16. http://de.lirio.us (PR6)
  17. http://www.dotnetkicks.com (PR6)
  18. http://www.bloghop.com (PR6)
  19. http://www.plime.com (PR6)
  20. http://www.bibsonomy.org (PR6)

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