Why are links used in ranking when they all have the nofollow attribute?

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Features and deprecations on Steve
Опубликовано 1 сентября 2010, 16:01
How can linking remain a major part of a search algorithm when the majority of Internet users are unable to post a 'followed' link on the World Wide Web? For example Twitter, Facebook, wiki etc. are all 'nofollow'. It seems only a very small percentage of links count.

Ed, Caribbean
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