Though patents often never amount to anything, we sincerely hope this wacky one from Samsung does. It's an approved idea for a portable music player that also contains keys and motion detectors to let it function as a "musical instrument," too. While listening to that epic jam, you could play along by pressing keys on the side of the device as if you were fingering a guitar's fretboard. You'd be able to change position on the "guitar neck" by moving the player back and forth, and a motion detector on the side would sense the fingers on your other hand as you strum chords or pl
