A look at OpenAI's Minecraft bot, which has learned to complete complex tasks in Minecraft after being trained on 70K hours of video of people playing the game (Will Douglas Heaven/MIT Technology Review)

Will Douglas Heaven / MIT Technology Review:
A look at OpenAI's Minecraft bot, which has learned to complete complex tasks in Minecraft after being trained on 70K hours of video of people playing the game  —  Online videos are a vast and untapped source of training data—and OpenAI says it has a new way to use it.