Google's Great New Adventure
Today we would say that the first implementation of PageRank was a form of crowdsourcing. The crowd was early webmasters, and they helped determine the relevancy of Web pages by linking to them. It didn't take long for "search engine specialists" to figure out how to game the system for fun and profit. For more than a decade, these self-styled SEO specialists have been manipulating search engine results with all sorts of tactics.
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