How to Detect and Stop Click Fraud:
payperclickanalyst.com: "By: Eli Feldblum" covers what it is and what to do about it.
Related ongoing case:
Clicking To Steal (washingtonpost.com) "The case of Texas-based Auctions Expert International is a cautionary tale for marketers interested in search advertising -- the company earned money as an advertising affiliate, hiring "users" to click on ads linked to legitimate marketers. The company is now being sued by Google, but the problem, known as click fraud, persists, with experts saying fraudulent clicks account for as much as 20% of the clicks in some business categories."
Google and Yahoo! accused of click fraud collusion
The Register: "Google, Yahoo! and other players in the search business have become embroiled in a lawsuit which involves overcharging for pay-per-click online advertising.
The Wall Street Journal says that plaintiffs in the US filed a lawsuit in February alleging that Google and Yahoo overcharge advertisers, and also that they collude with each other, to continue overchargin"
Pay Per Click Advertising Fraud - The Inside Story
www.agotoguy.com In depth post covering PPC business model - history to now and conclusion that:
"The solution to the click fraud problem lies solely on the shoulders of the PPC’s to invent the technologies necessary to stop click fraud from taking place"
