Some reputation management companies required that its writers have a certain number of Yelp friends. Yelp says it welcomed the New York attorney general's crackdown on fake reviewers. iStockphoto.com hide caption

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Fake Reviewers Get Zero Stars From New York Attorney General
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A sting operation involving a Brooklyn yogurt shop was part of an investigation by New York's attorney general that found companies had flooded ratings websites with fake consumer reviews. iStockphoto.com hide caption

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Five Ways To Spot A Fake Online Review, Restaurant Or Otherwise
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