...we were assured by those in charge that this button was not intended to game search engine rankings… until it was. Google then changed its public position and said that it was an option they were looking at to improve search quality. Said Google: “The purpose of any ranking signal is to improve overall search quality. For +1′s and other social ranking signals, as with any new ranking signal, we’ll be starting carefully and learning how those signals are related to quality."
- searchenginejournal
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