Kinect grocery cart follows you around the store

The same Kinect sensor that allows you to play hands-free games on the Xbox may one day help you grocery shop, according to a Geekwire video that's being shared widely. Whole Foods and Microsoft have created a motorized grocery cart prototype that follows you around the store without being pushed; tells you when you've grabbed the wrong item (say, regular Coke instead of your preferred Diet Coke) and charges your credit card automatically when it hears you say "checkout" as you leave the store. The 'Smarter Cart' can tell you where items in the store are located, and checks goods off your shopping list. If it can also detect and correct wobbly wheels, we're sold.

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