So perhaps, for a glimpse of the future, we should look not to Rosie the Robot but to another device now being used in warehouses—the Jennifer unit. It’s a headset that tells human workers what to do, down to the smallest detail; if you have to pick nineteen identical items from a shelf, it will tell you to pick five, then five, then five, then four . . . which leads to fewer errors than if you were told “Pick nineteen.”19 If robots beat humans at thinking, but humans beat robots at picking things off shelves, why not control a human body with a robot brain? It may not be a fulfilling career
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