Dec 30
To get you started with social bookmarking here are 20 of the most popular social sites.
In addition to these, there are also many blogging communities which give webmasters the opportunity to network and build up contacts.
1. Del.icio.us
2. Digg
3. Reddit
4. Furl
5. Technorati
6. Newswine
7. Socializer
8. Google Bookmarks
9. Spurl
10. Netscape
11. Hot Wire
12. meneame.net
13. Stumble Upon
14. Blogmarks.net
15. de.lirio.us
16. feedmarker
17. frassle
18. linkroll
19. loom
20. myprogs