There seems to be a flash ad in rotation on the right hand side (vertical pane) ... when I load up the ars front page, I get a nice little security warning pop-up asking me to install ...
There's a Canon flash ad on the forums that has a 'rollover' function, where if you put the mouse anywhere near it, it starts out about 730x100, and ends up 730x300. At this point, it's overlapping ...