Under Armour's Performance Monitor Tracks What Actually Matters

Look, I know what you're thinking and I've been thinking the same thing, too. But Under Armour is going for something a bit different with the Armour39 performance monitor they've been teasing. What differentiates it from the crowded field of wearables is that it's a "performance" monitor, not an "activity monitor"… » 2/12/13 3:39pm 2/12/13 3:39pm