Imagine you're in the park at 2:00 a.m., minding your own business and playing some righteous Angry Birds on your netbook. Then BOOM, a bad man jumps out of the bushes and tells you to give him all your money. Oh, and he wants your netbook, too. Do you do it? Hell, no. You quickly pull out your thumb drive from the USB port and blow into that sucker like a champ. Cops come running, catch the bad guy, and you get to keep that awesome netbook.