> Uhh, that seems like a pretty obvious problem in a car, all to save from the 5 seconds it takes to wipe a touchscreen Why is that a problem for cars? Even if

> Uhh, that seems like a pretty obvious problem in a car, all to save from the 5 seconds it takes to wipe a touchscreen Why is that a problem for cars? Even if so, self cleaning touch screens have all sorts of applications, it sounds pretty smart of GM to patent it.