The suck thing about Wikipedia is that people plagiarized a whole bunch of content from other sites to write articles. There were backlinks as references but then Jimmy Wales added nofollow to all outbound links.
Wikipedia dominated search results and the reference articles that were plagiarized saw little benefit. Google now launched knol as a wikipedia beat down.
I guess this is karma for Jimmy Wales who is about to launch a commercial search engine off the back of his wikipedia site.
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