This is definitely the product to watch. The fuel band API and the experimentation going on in the world of micro-controller programming (e.g., quad-rotors, arduinos, etc.) is breaking new (and exciting) ground in the tech sector.
(via Nike Opens Its Fuel Band API To Developers To Create A More Useful Product - PSFK)
cool stuff. http://www.psfk.com/2012/04/nike-opens-up-fuel-ban-api-to-developers-for-the-first-time.html