Saw a link to this on aol's welcome page tonight. I thought this was kind of cool. Not totally convinced it's a true optical illusion, but I can get it to switch directions when I want....http://www.switched.com/2007/10/15/the-trippiest-optical-illusions-on-the-net/
Which way do any of you see it going first? At first I could only see it going counter-clockwise. It wasn't until after I voted on the poll thing that I saw it go the other way.