Social Media Optimization Sites List

1. http://www.linkedin.com

2. http://www.twitter.com

3. http://www.facebook.com

4. http://www.stumbleupon.com

5. http://www.MySpace.com

6. https://posterous.com/

7. http://www.jaiku.com

8. http://identi.ca/

9. http://www.plurk.com/

10. http://friendfeed.com/

11. http://www.mybloglog.com

12. http://scribd.com/

13. http://www.delicious.com/

14. http://www.diigo.com/

15. http://digg.com/

16. http://amplify.com/

17. http://www.livejournal.com

18. http://www.flickr.com/

19. http://www.tumblr.com/

20. http://www.typepad.com/

21. http://wordpress.com/

22. http://www.multiply.com

23. http://www.plaxo.com/

24. http://www.ecademy.com

25. http://www.friendster.com/

26. http://www.hi5.com

27. http://www.tagged.com/

28. http://www.wayn.com

29. http://zorpia.com/

30. http://www.netlog.com/

31. http://www.flixter.com/

32. http://biznik.com/

33. http://www.fastpitchnetworking.com/

34. http://www.efactor.com/

35.  http://www.fotolog.com

36. http://www.bebo.com

37. http://www.xanga.com

38. http://www.piczo.com

39. http://www.last.fm

40. http://www.broadcaster.com

41. http://www.gaiaonline.com

42. http://www.squidoo.com

43. http://www.orkut.com

44. http://my.opera.com/community/

45. http://www.buzznet.com

46. http://www.imvu.com

47. http://www.slashdot.org

48. http://www.classmates.com

49. http://www.meetup.com

50. http://www.blackplanet.com

51. http://www.yelp.com

52. http://www.ning.com

53. http://www.secondlife.com

54. http://www.myyearbook.com

55. http://www.hubpages.com

56. http://www.43things.com

57. http://www.mog.com

58. http://www.reunion.com

59. http://www.xuqa.com

60. http://uk.tribe.net

61. http://www.tribe.net

62. http://community.adlandpro.com

63. http://www.greatestjournal.com

64. http://www.nexopia.com

65. http://www.care2.com

66. http://www.mobango.com

67. http://www.couchsurfing.com

68. http://www.fanpop.com