Click Fraud Unsettles Web Advertising Market
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NPR's Allison Keyes has more.
ALLISON KEYES: Outsell, an information industry research firm, has compiled some numbers that define the scope of the problem. Outsell's lead analyst, Chuck Richard, says the firm's studies showed advertisers lost $800 million to the practice last year.
CHUCK RICHARD: On these pay-per-click ads, 14.6 percent are estimated to be fraudulent - people who are using one of these means, of either trying to waste someone else's money or earn some money for themselves.
KEYES: Allison Keyes, NPR News, Washington.
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