Yes, surely did have to get this, and if you have gadgets, and spend a bit of time away from power sources, you will totally understand.
The backpack itself is a normal design, with good straps, but it is the extra hardware that is most interesting.
Sporting a rechargable battery pack, which can be charged from both the sun (solar panels on the back of the backpack) and mains power (via adaptor or computer's USB) the backpack can recharge its battery and keep your gadgets charges (came with lots of different tips).
So it does prove, you can be green and tech at the same time.
Thomas