
A while ago, a company brought Google to court in regards to a click fraud case, and invalid clicks. As part of the settlement, Google was ordered to have an independent expert examine the methods Google has in place to determine if they are detecting things properly. The individual went through Google and examined their policies, practices, and procedures.
The report found that Google's efforts against click fraud are in fact reasonable. And now Google has a
47 page report of the conclusions.
Dr. Alexander Tuzhilin, the individual set in place to examine Google, is a Professor of Information Systems at NYU. Tuzhilin looked at the types of data Google collected, filtering methods, log generations, AdSense auto-termination methods, ad conversion systems, AdSense publisher systems, click quality investigative processes, credit process systems, and alerting systems to see if Google met reasonable efforts for invalid clicks, and click fraud issues.
During his visits to Google, Alexander met with many engineers responsible for the design and development of the online invalid click detection software, in addition to spam operators who inspect invalid clicking activities.
The document covers not only Google's history, but the internet's history as well. Google's pay per click advertising model is touched upon in some detail, as well as the pay per click model, including AdWords and AdSense program outlines.
The Tuzhilin Report is a great read to look into Google, and how they battle click fraud issues, and invalid click concerns.