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A bot just defeated one of the world's best video gamers
(10:22) Dota 2 is a complicated online multi-player game. Only a year ago, it was considered unlikely that a computer would beat the best human Dota 2 player within 10 years, if not ever. But OpenAI's bot did just that at the 2017 Dota 2 Wolrld Championship after only two weeks of self-learning.