The concept of interlinking different website together, and also centralizing links to a single website, has been in existance for awhile. In the orginal stages, the concept existed in the form of building link farms or mini-site networks for the sole purpose of increase backlinks across various domains. Now link wheels have transformed to use high PageRank (PR) web 2.0 properties that search engines view with high authority. So while the orgin of the "spokes" has changed over time, the effectiveness of link wheels still hold true today and our team utilizes link wheels to gain high rankings on even some extremely competitve keyphrases.