https://www.cnbc.com/2018/05/30/facebook-ceo-mark-zuckerberg-defends-teslas-elon-musk-on-car-tech.html

Mark Zuckerberg and Elon Musk have a testy history of disagreeing about the potential for artificial intelligence, with Zuckerberg as the optimist and Musk as the prophet of doom.

But on Thursday in Paris at the Viva Technology conference, Zuckerberg ducked an opportunity to disagree with the Tesla and SpaceX boss, instead focusing on an area where the two tech titans have similar perspectives.