FoxPop is an interesting idea: it uses the microphone on your iPhone (or Windows or Mac laptop) to sync up with select FoxPop enabled DVD movies. Launch the app, it'll listen to the movie's soundtrack and pop up interesting facts, quizes, bonuses and extras on your screen. Currently, there aren't a lot of movies using the technology, but it's fair to say Mr. Mobile is impressed. Now, he' waiting for the next round of FoxPop enabled titles to hit his local DVD retailer's shelves.