Robot watches store shelves so you don't leave empty-handed
 

Few things are more annoying while shopping than finding out that a store hasn't bothered to stock what you want... assuming you know to look for it in the first place. A robot may just come to your rescue, though. Simbe Robotics is launching an...

http://www.engadget.com/2015/11/10/t...e-shelf-robot/