I found this article via digg. It lists some of the crazier uses for engineering intellect - after all who would need a bra / shopping bag combination? Useful if you have a spare bra, maybe, but why not just carry a spare shopping bag? This question and many others like this are painfully left unanswered.

A few of them are pretty cool. Like the Drive-e-mocion (pictured above) that displays custom messages in your rear window. I’m sure it won’t be long before they’re banned, but in the meantime you could truly express yourself in LEDs to the driver behind! Good or bad, I’ll let you use your own imagination.. [SHOW ME]