Internal iPod dock for car stereo
Problem: Currently the two ways of playing an iPod (or similar type of thing) in a car are either to purchase a car with an inbuild iPod dock, or to have wires dangling all over the place connecting stereo equipment and/or power sources.
Solution: A car stereo with an internal iPod dock. You put the iPod in a slot on the front of the stereo, just like you would have ten years ago with a cassette tape. The iPod slides into the stereo, and a nice door closes behind it. The stereo then charges the iPod and gives you buttons from which you can control it (the usual sort of remote iPod control stuff). You can leave it all in the car without worrying about it being stolen; you don’t have a tangle of wires everywhere and when iPods eventually go out of date you don’t have to buy a new car.