Tube8.com is arguably the largest free adult site on the internet. Tube8.com gets millions of visitors per day and they are running the following advertisement on their site:
(This bottom image is just incase the top image gets blocked.)
Lol, "Because people who pay for porn are stupid"
I thought all the free porn was bad enough, but now advertisements which tell the surfer not to pay for porn.
And webmasters wonder why conversion ratios are so bad? Lol.