How Google’s +1 Button Affects SEO

Since the days of Google Buzz, the +1 button has been a mystery to users and content producers alike. It’s different from Facebook’s “Like” button, in that it doesn’t directly share content to a user’s social stream. But the cultivation of a social graph has long been the goal of Google, and its connection to search was likely inevitable.

 

Read the whole story:  Mashable.com

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