Sacked by a Google algorithm
...long story...<p><i>Oh yes, I was also running little blocks of adverts provided by Adsense and, yes, I told my subscribers that I got some money if they visited the websites of those advertisers – all of whom were interested in selling stuff to sailors.</i><p>...long story...<p>In the end it was click-fraud-ish.<p>There's a huge fear for those dependent on google adsense that they will get terminated out of the blue like this.  The problem is, there's no great alternative.  But instructing your visitors in some way to click on your ads does cross the line.