Elon Musk invested early in DeepMind just to keep tabs on the progress of AI

Elon Musk is a well-known harbinger of the potential for ill held by artificial intelligence. The Tesla and SpaceX CEO also helped start OpenAI, a group with a broad mandate that focuses on developing AI out (as the name implies) in the open, rather than behind closed doors as the exclusive province of high-powered governments and secretive private contractors. Musk, it turns out, was in on…