Amazon’s ‘No Checkout’ Grocery Store Opens

Amazon has opened a revolutionary checkout-free, bricks-and-mortar grocery store called ‘Amazon Go’ in Seattle, after more than a year of testing.

How Can It Have No Checkouts?

The Amazon Go store uses infra-red ceiling-mounted cameras and electronic sensors to track what shoppers remove from the shelves (which have weight sensors), and what they put back. Some items carry a visual dot code, which acts like a barcode, to help the cameras to identify them.

The system uses a deep learning...