For 40 bucks, you can buy a device that emits some of the most irritating and beautiful sounds imaginable; a device that not only presents an international kaleidoscope of opinion but also receives secret spy transmissions. Best of all, every time you turn it on, the thing behaves completely differently, depending on where you listen to it. It's an old, discarded technology that most tech nerds know little about; it's free to operate, and every program it receives is... More >>>