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Computers already have enough power to outperform people in activities we used to think of as distinctively human. In 1997, IBMβs Deep Blue defeated world chess champion Garry Kasparov. Jeopardy!βs best-ever contestant, Ken Jennings, succumbed to IBMβs Watson in 2011. And Googleβs self-driving cars are already on California roads today. Dale Earnhardt Jr. neednβt feel threatened by them, but the Guardian worries (on behalf of the millions of chauffeurs and cabbies in the world) that self-driving cars βcould drive the next wave of unemployment.
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