Here we have 60 DoFollow Social Bookmarking Websites to use for the benefit of your SEO campaign. The list is ranked by PageRank.
1 http://slashdot.org (PR9)
2 http://digg.com (PR8)
3 http://technorati.com (PR8) (Only Blogs)
4 – http://furl.net (PR7)
5 http://backflip.com (PR7)
6 http://hugg.com (PR7)
7 http://mixx.com (PR7)
8 http://ma.gnolia.com (PR7)
9 http://connotea.org (PR7)
10 http://mystuff.ask.com (PR7)
11 [...]