Berlin's Internationalen Funkausstellung is by no means an unexciting consumer electronics show. Sure, there aren't nearly as many new gadgets to play with as you'll find at even the tamest year of CES, but there's still plenty else around to leave almost any tech buff feeling full. Still, this year's most exciting gadget -- to me, at least -- wasn't a new tablet, or cell phone, or even that Android-controlled robotic vacuum.
