
...."Parked in a big open square on campus was a vehicle resembling a bus. Through its floor-to-ceiling glass front, shelves could be seen stacked with red boxes.
At the entrance, Wei Li scanned a QR code using his iPhone. A glass door slid open, and he stepped inside a store with no checkout and no staff.
A holographic human face with a calm expression and neatly cut bangs greeted him. There was no sound, just a move of the face from one side to another. Li said he was impressed by the range of products sold there: fruits, potato chips, coffee, magazines, and even sneakers, each with a bar code on the package. He liked the ease with which he could buy things: all he needed to do was scan the barcode using a smartphone app with his banking card information registered in it. As he approached the exit, another glass door slid open automatically to let him out.
This was Moby Store, launched by Wheelys, a Stockholm-headquartered crowdfunded startup. Originally focused on making cafés that can be moved from one spot to the next by bike, the company is now testing out a model of a 24-hour store run entirely by technology."....
https://www.technologyreview.com/s/608104/in-china-a-store-of-the-future-no-checkout-no-staff/?set=