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Seems to me ripe for abuse and also ripe for stories of collateral damage.


Why would it be any more abused then the Facebook Like button?


Because, potentially, it can be used by Google to increase site rankings.


Google already uses signals from the Facebook Like button and Twitter tweets to increase site rankings, give them a little more credit!


I'll buy 10,000 GMail accounts and write a Ruby library to do this if likes can influence non-friends' SERPs. Being #1 = $$$




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