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Shine activity tracker by Misfit Wearables. (Accelerometer and other as-yet-unknown sensors). All-metal, waterproof activity tracker that you can sync with your smartphone just by placing it on your phone screen. Proprietary sensor algorithms track cycling and swimming, in addition to steps. Replaceable battery. "To see how active you've been throughout the day, simply tap Shine and a halo of lights shines through invisible micro-holes, laser drilled into the metal casing."
Smart Glove Helps You Improve Your Golf Game With Wearable Technology! The Future of Smart Clothing is Here.
UPDATE: now available on android This fitness app doesn't require anything from you, but simply tells you what you are doing and subtly encourages you to make changes to your normal, daily life