The question of how much (percentage-wise) Google pays webmasters for clicks on Adsense ads displayed on their websites has always been open to speculation. Google have never revealed what that figure is and speculation among webmasters put the figure at anywhere between 10% and 50% of revenue share.

Personally, I always figured it was around the 50% mark and I think the majority of opinion put it at between 40% and 50%.

Well, it was something of a surprise then …