Yuval Noah Harari: If you go back to the middle of the 20th century—and it doesn't matter if you're in the United States with Roosevelt, or if you're… - Yuval Noah Harari

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Yuval Noah Harari: If you go back to the middle of the 20th century—and it doesn't matter if you're in the United States with Roosevelt, or if you're in Germany with Hitler, or even in the USSR with Stalin—and you think about building the future, then your building materials are those millions of people who are working hard in the factories, in the farms, the soldiers. You need them. You don't have any kind of future without them. And now, fast forward to the early 21st century, when we just don't need the vast majority of the population.<p> Chris Anderson: Because?<p> Yuval Noah Harari: Because the future is about developing more and more sophisticated technology, like, again, artificial intelligence, bioengineering. Most people don't contribute anything to that, except perhaps their data. And whatever people are still doing which is useful, these technologies increasingly will make redundant, and will make it possible to replace the people.