This Tiny Booth At CES Features One Of The Most Important Smartphone Innovations Yet

There's a tiny booth outside the CES press room -- not even on the show floor, mind you -- for something called Qi. You've probably never heard of Qi. But if you buy a new smartphone this year, you'll probably end up using it. (It's pronounced chee, by the way.) Qi is the wireless charging standard for mobile devices. Just rest your phone on a special charging pad, and it'll start powering up. There's no need to lug cords and adapters around with you. The most prominent gadget using Qi today is ...