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Jawbone’s New Fitness Tracker Brings Mobile Payments To Your Wrist

Jawbone’s New Fitness Tracker Brings Mobile Payments To Your Wrist

I’ve wanted a fitness tracker for years. Something discreet with crazy good battery life that not only quantifies my movement but also packages the data in a way I can understand. The UP3 promised that and more last fall, and now it’s finally ready to ship this week — but…