So you know how we have firewalls, secure passwords, SSL encryption, and all sorts of computer related security? It is all for shit as of right now. At 65ft the folks at Switzerland’s Cryptography Lab can capture the electromagnetic emanations from PS2, USB, and laptop keyboards. As you type on your keyboard the electromagnetic spectrum is scanned and keyboard information is recorded; Engadget has a video of it in action.
I call dibs on the Random Burst Electromagnetic Emanation Device patent which spews electromagnetic information into the air to mask your typing while simultaneously giving you cancer.
Or we could all go back to pencils.