Here is how you play:
1 - Get a Stopwatch (http://www.stopwatches.com/)
2 - Click on photo above
3 - Watch it as you play
4 - Click the gobutton on the stopwatch and try as hard as you can to not think about PolyBears.
5 - When a PolyBear (as in ZeroBear) comes across your mind, click teh stop button on your stopwatch.
Da can "NOt Think About PolyBears" for an astounding 0.6 seconds.
He holds the record at our house.