Click-fraud is becoming increasingly problematic for the search companies. Look at this comment from Google's CFO at an investor conference:
"I think something has to be done about this [click fraud] really,
really quickly, because I think, potentially, it threatens our business
I've already pointed out that click-fraud is a particularly acute problem for public companies. So this anonymous blog, devoted to the topic of click-fraud, should be a useful tool for investors in search engine stocks.