Web Guerrilla has "a plan for click fraud" - i.e. he's gonna commit click fraud in the name of science.
The only practical thing to do would be to try and collect some objective data that would shed some light on how big of a potential problem click fraud may be. By that I mean auditing the performance of the various fraud detection systems being used by each of the PPC engines.
And that’s exactly what we are going to do.
Here are my predictions for his results based on the past year of doing click fraud investigations for several clients:
I believe click fraud is like any other statistical fraud, a fraudster can get away with it for a long time if they are careful and below the radar.
Having said that, if we don't hear from Greg in his promised timeframe, you can assume that he's found a lucrative way to cash in on the search engines lax enforcement against click fraud.