> We have affordances on the cart that lower the cognitive load. [...] In comparison, the state of the art is that people have scan guns, and on their wrists ar

> We have affordances on the cart that lower the cognitive load. [...] In comparison, the state of the art is that people have scan guns, and on their wrists are tiny screens with character-based software—it’s ’80s or ’90s technology emulated on an Android device. They have to read that to know what bin number, what thing to do. Which means the literate person will get fired and replaced with an illiterate, because all the robot needs is a compliant gripping tool.