The idea behind Web 2.0 properties is that you create a “property” on an authority site such as Weebly, Squidoo, WordPress etc. Having authentic and high traffic sites, they help you rank high for your site. Here we are listing some High PR Do-Follow Web 2.0 Properties.
1. http://wordpress.com/ (PR 9)
2. http://www.flickr.com/ (PR 9)
3. http://www.weebly.com/ (PR 8)
4. http://www.scribd.com/ (PR 8)
5. http://www.blogger.com/ (PR 8)
6.http://www.livejournal.com/ (PR 8)
7. http://www.typepad.com/ (PR 8)
8. https://www.tumblr.com/ (PR 8)
9. http://www.ehow.com/ (PR 7)
10. http://www.squidoo.com/ (PR 7)
11. http://boingboing.net/ (PR 7)
12. http://www.topix.com/ (PR 7)
13. http://www.squarespace.com/ (PR 7)
14. http://www.jimdo.com/index.php (PR 7)
15. http://www.angelfire.lycos.com/ (PR 7)
16. http://www.snap.com/ (PR 7)
17. http://pinterest.com/ (PR 7)
18. http://www.thefreesite.com/ (PR 7)
19. http://www.squarespace.com/ (PR 7)
20. http://www.wikihow.com/Main-Page (PR 7)
21. http://quizilla.teennick.com/ (PR 6)
22. http://www.xanga.com/ (PR 6)
23. http://blogsome.com/ (PR 6)
24. http://www.wetpaint.com (PR 6)
25. http://www.43things.com/ (PR 6)
26. http://hubpages.com/ (PR 6)
27. http://www.zimbio.com/ (PR 6)
28. http://www.lsblogs.com/ (PR 6)
29. http://www.blogdrive.com/ (PR 5)
30. https://www.21publish.com/ (PR 5)
31. http://business.blinkweb.com/ (PR 5)
32. http://www.opendiary.com/ (PR 5)
33. http://uk.ning.com/ (PR 4)
34. http://www.tblog.com/ (PR 4)
35. http://www.mindsay.com/ (PR 4)
36. http://www.soulcast.com/ (PR 4)
37. http://www.blurty.com/ (PR 4)
38. http://www.ebloggy.com/ (PR 4)
39. http://www.aeonity.com/ (PR 4)
40. http://www.9rules.com/ (PR 3)
41. http://seo-blog.org/directory/ (PR 3)
42. http://www.my-journal.com/ (PR 3)
43. http://www.journalfen.net/ (PR 3)
44. http://www.blogabond.com/ (PR 3)
These are a very good list of web 2.0 properties. It really help a lot. I will no longer search for each one by one since you already share this.