CommandShift3 
Posted on December 13, 2007
Where websites do battle!
On CommandShift3, you are presented with the screenshots of two websites side by side. If you click the screenshot of the site you think looks best, the page reloads and you start all over again. It never ends.
So far there have been 274829 clicks. The energy it took to click 274829 times raised the earth’s temperature by .0000000000000000040153588 degrees, contributing to the melting of the polar ice caps