martinibuster - 6:29 pm on Jan 29, 2009 (gmt 0)

Ken_b has a point. For instance, an advertiser targeting keywords using broad match and bidding it to the top of the page is setting themselves up for useless clickthroughs because Google searchers tend to click on the first result no matter what your ad copy says.

A more interesting report would be an investigation into click fraud that investigates the campaign first before taking the person's word that it's fraud. Then for that report to discuss how much of what is perceived as click fraud is actually a poor campaign.