europeforvisitors - 6:38 pm on Jul 21, 2004 (gmt 0)

You don't need to employ anyone for click fraud...a few lines of code and a handful of open proxies or hacked machines are more than enough.

This topic has been discussed at length in the AdSense and Adwords forum, so I won't spend much time on it here, but I will point out something that another member brought up a few months ago:

A jump in clickthrough rate is going to stand out like a sore thumb, so the only way to hide bot-generated clicks would be to increase page views at the same time. And it's going to look awfully suspicious if a site with 5,000 page views a day suddenly leaps to 50,000 a day.