CBS News reports Amazon is suing over 1,000 people for posting fake product reviews, and for doing it for money.

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The reports say Amazon wants reviewers to stop posting reviews, identify which reviews were paid for, and who paid for them.

One expert quoted in the article estimates 15-20% are fake, and these fake reviews show up on popular websites. One problem is fighting this problem is many of the reviews come from non-domestic sources, thus making it hard to prosecute.

A lot of us check reviews before buying a product. My rule of thumb is ignore the most glowing and the worst reviews. The glowing are probably fake and the worst are either competitors or people who can't tell a show lace from a jump rope.