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Click Fraud: Playing Dirty in the PPC World |
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Marketers beware: the ever-expanding pay-per-click arena is attracting plenty of unscrupulous players. Click fraud, once considered a minor inconvenience, has become a major concern for advertisers and search marketers. Estimates of advertising dollars lost to click fraud run as high as $500 million per year. Click fraud occurs when a person or computer program clicks on a PPC ad for ...
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