Scholars at Oxford University estimate that no less than 47% of all American jobs and 54% of all those in Europe are at a high risk of being usurped by machines.17 And not in a hundred years or so, but in the next twenty. “The only real difference between enthusiasts and skeptics is a time frame,” a New York University professor notes. “But a century from now, nobody will much care about how long it took, only what happened next.”18