Nike Plus: insert the tracker in your sneaker then track your run on your iphone! So much cooler than a traditional pedometer. | Nike, Workout, Workout music
Nike+ | Encyclopedia MDPI
Nike + iPod Sensor | Apple Wiki | Fandom
Nike iPod Sport Kit Wireless Running Shoe Sensor Ma692ll/f for sale online | eBay
Beyond the Pedometer | MIT Technology Review
I can't find this anywhere : r/ipod
Solving a Latent Need: Nike+iPod | Product Beautiful: Building Product Management by Paul Young