Well, this is fun. Got anything - I mean anything, not just computers - that has public- or semi-public-facing USB ports? Not for long.
http://www.zdnet.com/article/now-you-can-buy-a-usb-stick-that-destroys-laptops/
http://www.zdnet.com/article/now-you-can-buy-a-usb-stick-that-destroys-laptops/