Clicks That Count - Forbes.com

Advertisers on the Web often pay for their ads based on the number of clicks on them. However, there are various ways of inflating the number of clicks - a phenomenon known as click fraud. There are several organizations who will monitor the clicks for the advertisers, so the advertisers don't end up paying for phoney clicks. The efffectiveness of this monitoring, and the ability to monitor click fraud are issues that continue to plague web advertising. This interview sheds some interesting light on the controversy. Clicks That Count - Forbes.com