Click Fraud Looms As Search-Engine Threat
SAN FRANCISCO - Like thousands of other merchants, Tammy Harrison thought she had struck gold when hordes visited her Web site by clicking on the small Internet ads she purchased from the world's most popular online search engines. It cost Harrison as much as $20 for each click, but the potential new business seemed to justify the expense. Harrison's delight dimmed, though, when she realized the people clicking on her ads weren't really interested in her products.
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