NIKE+ iPod Sport Kit, Fits in Your Shoe/Plugs into iPod | eBay
Review: Apple Computer Nike + iPod Sport Kit and Sensor | iLounge
Shoe Pouch 4 Nike iPod Sport Kit Sensor Lace Nano Case Adapter Run Gym for sale online | eBay
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 - An iPod Shoe? — PaulStamatiou.com
Create Your Own Nike+ (Nike Plus) Sensor Hole in Your Running Shoes : 4 Steps - Instructables
Nike-Nano Combination to Improve Communication With Your Feet - The New York Times
Nike-iPod venture in tune with runners' need for data – The Denver Post
Gifts for the fitness buffs on your list
Nike + iPod Sport Kit review: Nike + iPod Sport Kit - CNET
My Nike + iPod Hack | web-goddess
TECH: iPod in Nike running shoes infographic
Nike and Apple launch Nike+iPod product line (images) | AppleInsider