Nike Plus Sportband Watch Pedometer With Foot Tracker WM0057 for sale online | eBay
Beyond the Pedometer | MIT Technology Review
Nike+ - Wikipedia
Who remembers the Nike+ iPod Pedometer? Went in your shoe under the insole and connected to your iPod via a separate 30-pin dongle. : r/RunningShoeGeeks
Nike Plus A1193 Foot Sensor Shoe Running Apple SportWatch iPhone Fitness for sale online | eBay