Perhaps the solar power of the future – portable and plug in panels you can use anywhere.
Plug into the window? How awesome would it be to recharge your devices by using the light from your window?
This charger acts as a battery also storing up 10 hours of charging time after 5-8 hours. Seems like office dwellers and travelers would get the most use out of this, though I am sure I would use it if I had one!