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Real interesting experiment on how G+ leads to more Google juice
Using Google+ Is The Best Way To Boost Your Website's Search Ranking With Social

Since Google introduced "Search Plus Your World," most Google Search users have seen results that add more emphasis to sites shared on Google+. One search engine marketing firm, TastyPlacement, took it upon themselves to conduct an unscientific-ish study to determine just how much of an effect Google+ promotion has on search ranking.

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#search #social
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