Yamaha has announced a new MP3 player, the BodiBeat, that promises to DJ your workout, selecting tunes based on your heart rate.  According to Yamaha, it’s “the world’s first music player/heart rate monitor that selects and plays songs to match the pace of the user’s workout.” The player goes beyond Apple’s Nike + iPod combination,… Read More New MP3 Player Creates DJ Mixes For Exercising