This:
“A few months in, there’s still really not that much you can do with
Android Wear. Whenever I show it to people my demo almost always either
ends in ten seconds (“look at all the watchfaces!”) or involves me forcing
someone to text me so I can respond from my wrist. There’s a heart rate
monitor and a pedometer inside the 360, but neither are terribly accurate,
and they feel like only a gesture in the direction of how powerful a
fitness device a smartwatch could be. Runtastic’s Android Wear app is
handy, too, letting you start and track a workout from your wrist, but it’s
not very powerful yet.”
http://www.theverge.com/2014/9/5/6108947/moto-360-review