Web 2.0 Link Wheel Sites

There are hundreds of sites that allow you to write articles on them, with their classification all being web 2.0 sites. The important thing to remember is that all sites are not equal. You want a site that allows dofollow links so that the link juice passes from one site to another, here are a list of sites that as of the time of writing this article are dofollow:

Blogsome.com
Blogger.com
Squidoo.com
Wetpaint.com
Wordpress.org
EzineArticles.com
VOX.com
Quizilla.com
Weebly.com
LiveJournal.com
HubPages.com
Onsugar.com
Prlog.org
Devhub.com
Yolasite.com
Terapad.com
Beep.com
Webnode.com
Viviti.com

Be sure to always use unique, high quality content in your link wheels, otherwise you run the risk of having the articles deleted by moderators.