WEB 2.0 for Profil Backlink List

Profile Backlink is a technique to improve the link popularity of a blog with a very easy and effective.

a few form of web 2.0 is like LiveJournal, Facebook, My space, Etc..., But not all web 2.0 use the "Dofollow", the example is like facebook is using tag rel = "nofollow"

Here's a list of Web 2.0 for Backlink List

PR9
http://wordpress.com

PR8
http://squidoo.com ( Manual Link use HTML code)
http://weebly.com
http://livejournal.com
http://bravenet.com

PR7
http://blogger.com
http://blogsome.com
http://www.wetpaint.com
http://www.wikispaces.com
http://www.xanga.com
http://www.tripod.lycos.com
http://tumblr.com
http://quizilla.teennick.com
http://viviti.com
http://webs.com
http://knol.google.com
http://friendster.com

PR 6
http://bigadda.com
http://blog.co.uk
http://blog.com
http://www.zimbio.com
http://gather.com
http://diaryland.com
http://edublogs.org
http://opendiary.com
http://sosblog.com

PR5
http://20six.co.uk
http://blog.ca
http://hubpages.com
http://blurty.com
http://upsaid.com
http://tabulas.com
http://tblog.com
http://terapad.com
http://shoutpost.com
http://thoughts.com
http://blogskinny.com
http://free-conversant.com
http://freeflux.net

PR4
http://blogeasy.com
http://blogstream.com
http://blogstudio.com
http://blogtext.org
http://insanejournal.com
http://journalfen.net
http://journalhub.com
http://bloxster.net
http://bloghi.com
http://mynewblog.com
http://netcipia.com
http://wikyblog.com
http://blogigo.com
http://freeblogit.com