I can see it as being slightly useful to monitor heart rate and piloting the mp3 player, occasionally. But certainly not worth the cost and the burden (one more

I can see it as being slightly useful to monitor heart rate and piloting the mp3 player, occasionally. But certainly not worth the cost and the burden (one more device to recharge and carry around). Also, a watch is a personal item. I wouldn't like to have the same watch as everybody else. I wonder if they'll find a market for this.