First off, let me say I did not invent this trick, and this isn’t even a particularly good online version of it.  I just liked it enough to share it with Frogstar visitors because it fooled me the first time I tried it.  It’s simple, but sometimes the best tricks are. 

Computers are amazing at math and details. The computer program has already learned a little bit about you based on how quickly you clicked the HERE button.

Look at the cards above and choose one in your mind.  Do not click it with the mouse.