Elon Musk worries Skynet is only five years off

For several months now, we've been reporting on tech iconoclast Elon Musk's public warnings about the dangers of artificial intelligence. What we hadn't heard was just how soon AI might become a threat. Turns out Musk, the CEO of Tesla and SpaceX, is worried that "the risk of something seriously dangerous happening is in the five year time frame. 10 years at most."

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