Web 2.0 are those sites that let's anyone publish content in a more creative way. Some of the web 2.0 sites includes, Hubpages and squidoo lenses. To create a link wheel using web 2.0 sites, you've got to do a little keyword research, pick 2-3 keywords that will best described your content. Each web 2.0 site must have unique content. Avoid publishing or duplicate content as they may hurt your traffic on those blogs. Create 3 or more different content to published in each Web 2.0 sites. In each published content, create a backlink targeting each content as well as your website.