Volkswagen, the people who think cup holders are for pussies, have come up with a novel idea: A dynamic, programmable "bumper sticker". Not to be outdone, Ford also envisions a steering wheel that can take your heart rate.

Couple these two technologies together, and you won't have to manually flip someone off, or even program an "F YOU!" message on your own. When your car senses you getting enraged, it will automatically display an appropriate message to the other drivers around you.

Personally, I can envision many uses for this programmable bumper sticker. None of them are cheery or friendly, but they would all bring ME personal satisfaction, and after all, that's what it's all about.

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