Apple – Nike+iPod combines shoes, exercise and the iPod.
I look forward to the integration of my iPod with my toothbrush. The iBrush (has a WhiteTooth interface) that sends music via your jawbone while you brush etc.
Why stop there? – For those who need them why not the iDentures – suck to advance a track, spit to go back, volume control by the opening and closing your mouth.