Good Gear Guide
In Pictures: Beyond the smartphone - Emerging plat...
Clothing app dev example: Hammacher Schlemer
One jacket from Hammacher Schlemer has "five button control system woven into the outer sleeve" so you can change tracks without taking off your gloves or taking your iPod out of your pocket. The buttons lock up after a few seconds to prevent an errant bump from changing things.
In Pictures: Beyond the smartphone - Emerging platforms developers should target next