What precisely is the 'fuel' number of the Nike Fuelband measuring? Is it related to calories? Oxygen consumption? - Quora
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Amazon.com : Nike+ FuelBand White Ice Medium/Large : Nike Fuelband White Ice Small : Sports & Outdoors
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Nike Unveils Nike+ FuelBand SE and Nike+ FuelBand App Designed to Inspire and Motivate Athletes at Every Level | Business Wire
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