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We’ve written here before about the power of ratings as a form of information. Whether it is a Consumer Reports rating of a car or a Standard & Poor’s credit report, ratings help guide complex purchase decisions. But not all ratings are created equal, and many so-called ratings lack the authority or independence to claim legitimacy. Amazon has violated that rule with its anonymous book reviews. It turns out that many of these anonymous reviews were actually written by the authors themselves or by their families and friends.
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