It's like a preview of when our highways will be full of self-driving cars - very cool. And I guess the next step is robots actually pulling the merchandise of

It's like a preview of when our highways will be full of self-driving cars - very cool. And I guess the next step is robots actually pulling the merchandise off of the shelves? Or maybe they'll just skip moving the shelves all together and just have collection robots roaming around, pulling product, and then packing it somewhere off to the side?