Nike's new FuelBand is now out, and following a few weeks of running in parks, walking around exhibition halls and the occasional all-out exercise session, well, I'm pretty tired. Fortunately, I only needed to charge Nike's new wearable once in my first eight days of use. Indeed, that's the main benefit to Nike's Second Edition (SE) FuelBand: thanks to an energy-efficient Bluetooth Low Energy (LE) ra
