I’ve been asked a lot of questions over the last 10 years about how deep in the search results do people actually go before they clicked through on a result. In the past I’ve run a few reports on this information, but using only a month or two worth of data.
I just ran another report, [...]

A lot of people focus in on how to get refunds from Google or Yahoo for Click Fraud issues. Google doesn’t always call it click fraud, they often call them invalid clicks, and when they catch “invalid clicks” they pro-actively discount your bill accordingly. They don’t catch everything, but they do try hard. [...]