This Wi-Fi detecting car decal tips tailgaters off to available wireless connections. It was made by cutting the illuminated panel out of one of these shirts and sticking it to the car's window. Which you've got to admit: for such a hardcore Apple fanboy (see license plate) is a pretty impressive feat of do-it-yourselfery. Provided, of course, he didn't stab himself with the scissors.
You forgot to take the shirt off first, didn't you? *Nyuk nyuk nyuk!*
Hit the jump for a closeup.