Nike Plus: insert the tracker in your sneaker then track your run on your iphone! So much cooler than a traditional pedometer. | Nike, Workout music, Workout
Nike + iPod - The iPhone Book: Covers iPhone 4S, iPhone 4, and iPhone 3GS, Fifth Edition [Book]
Nike + IPod Sensor | Mac-Ave
Nike Apple Foot Sensor Pod Running Model A1193 Shoes Sports | eBay
Put an IPod Nike+ Sensor in Any Running Shoe in One Minute for 5 Cents : 4 Steps (with Pictures) - Instructables