On a panel shared by Elon Musk, Bill Gates briefly discusses superintelligence and its threat to humans, recommending Nick Bostrom’s book on the topic. Gates thinks our brains make for substandard hardware, and he argues that if machines can be made to be intelligent, they will almost immediately run in a direction far beyond us, with no intermediate stage needed for crawling or toddling. For a couple of minutes beginning at the 19:30 mark.