We live in astonishing times. Amazon Go offers customers the ability to walk into a store, select products, and leave without interacting with a cashier. Now, four coders at the University of Waterloo recreated the Amazon Go experience using off the shelf (Raspberry Pi) hardware and publicly accessible APIs in just 36 hours. It took Amazon years to achieve the same capabilities.
Offered as a reminder that no company has a monopoly on a technical advantage.