Have you heard of DMP? Microsoft is applying for a patent to equip devices with a “Digital Manners Policy,” a polite euphemism for a kill switch or jammer in your electronic equipment. It doesn’t stop at stopping things like using a flash camera in a museum, either; OnStar is implementing the same sort of device to shut off your car remotely. If you’ve ever become peeved when someone sitting next to you starts yammering on their cellphone in the movie theater, you’ve probably wished there was some sort of method