Apple CEO Tim Cook is a Nike board member and noted fitness enthusiast and has disclosed in the past that he wears a FuelBand.
The Nike+ FuelBand is an innovative wrist-based device that tracks and measures the user's activity during any given day and designates a score for the activity in the form of NikeFuel. NikeFuel is a normalized score that awards all users of the Nike+ FuelBand equal scoring for the same activity regardless of their physical make up. The Nike+ FuelBand also captures and displays time, calories and steps. An intuitive mobile application allows the user to review all the activity captured by the product.The Nike+ FuelBand is available for $149 in a number of sizes, both in Apple Retail Stores and online.