39 Do-Follow Social Bookmarking Sites [PR Listed]

This is a list of DO-Follow social bookmarking sites that will allow you to build massive amounts of backlinks over-time if you post content frequently to them. There is great debate whether it matters if links are do-follow or not. For the sake of preventing an argument, the following social bookmarking sites are ALL Do-Follow. If you would like some no-follow's, I'm almost confident you can find them.

List:

1. Digg (8) (currently not accepting new members-creating new site)
2. Folkd (7)
3. Spurl (6)
4. Kwoff (6)
5. LinkaGoGo (5)
6. SpotBack (5)
7. MyLinkVault (5)
8. A1 Webmarks (5)
9. Tagza (5)
10. Plime (5)
11. Searchles (5)
12. ****************Digg (4)
13. Feedmarker (4)
14. Memfrag (4)
15. MySiteVote (4)
16. OldRec (4)
17. Wagg It (4)
18. Otherwhirled (4)
19. OYAX (4)
20. TeDigo (3)
21. MyPIP (3)
22. Yattle (3)
23. Kabulis (3)
24. Bukmark (3)
25. Ciudadlaberinto (3)
26. Cool Search (3)
27. Gozoof (3)
28. Tamilers (3)
29. Ziki (2)
30. Agroots (2)
31. Best of India (2)
32. Promote Your Website Free (2)
33. Zobbed (2)
34. Dizzed (2)
35. Yomash News (2)
36. Bookmark 24 (2)
37. 180 Blog Network (1)
38. 180 Blog Network (1)
39. Yoo Submit (1)