This sitehttp://www.wisegeek.com/what-are-possible-causes-of-numbness-in-my-left-hand.htm has an ad unit in upper left side that seems to be transparent. Notice the gradient bg. Is this legal and how did they do it? Thanks.
Looks cool, doesn´t it? I´d love to get to premium status myself I bet it is much easier to make money with adsense this way....
@pradiprg: No one really knows except Google and the primium publishers. If you earn enough money on Adsense you will get your invite from Googe