You might be interested in reading this:
http://www.duckworksmagazine.com/11/columns/guest/winter/ind...
and the subsequent discussion on HN:
http://news.ycombinator.com/item?id=2049105
I'm not sure, but I think that saying stuff like that can be interpreted as indirectly encouraging users to click on ads.
Interesting article and discussion here: http://news.ycombinator.com/item?id=2049105
You might be interested in reading this:
http://www.duckworksmagazine.com/11/columns/guest/winter/ind...
and the subsequent discussion on HN:
http://news.ycombinator.com/item?id=2049105