The other day I had to start using Opera's content blocker for the first time at SitePoint.com, to get rid of the annoying advertisement at the top of the screen.
Today was another first: I had to create a user style sheet to get rid of another friggin' advertisement that littered the top of the page.
If I want something I'll buy it. Please stop insulting me by trying to trick me into purchasing something I neither want nor need. It won't work.