The Nike-iPod kit is getting a lot of media coverage these days, but it’s just one motion-controlled music player. Another is called Mution, and it uses a video camera-based user interface to control the tunes.
As the picture shows, you can draw whatever kind of symbols you want to signify the start, stop, pause, volume, and other controls. Then, wave your hand close to the proper control and get the aimed-for result. Apparently, a Web-based interface gives you even more flexibility.
Sounds a little labor-intensive, but it might come in handy if you’re in a big room and you don’t want to keep running back and forth to the MP3 player.