This battle of the brains isnít just about competition and entertainment, itís about innovation. Kal Penn tells us that you should shut your stupid mouth if you believe that the US of A is no longer the home of innovation. He and the engineers on The Big Brain Theory are out to keep us on top when it comes to pure genius. Get your genius pumping out on your iPad with The Big Brain Theory Shut Your Stupid Face iPad 2 and 3 cover. While youíre working your brain out you can also give everyone the message to shut their stupid faces in this black, protective, snap-on case.