as it follows no but another sign by Elon Musk and hum just the biggest name to tech. Calling for an urgent pause in the development of AI. Well, Mo Gaudat, who's a former chief business officer at Google X was among the first to raise the alarm. He says the situation is beyond emergency. Mo, author of Scary Smart, which is a scary smart book, by the way, joins me now. Mo, great to see you. Thank you so much. You were part of this quite secretive Google X group, which I presume you were your job to think the other thing about stuff like AI. And you very quickly were out of the traps to warn people. Look, this is serious. Very. What was it that you saw where you thought, OK, we've got to be really careful now. He said... I'm going to tell you just... Well, actually, let me show you the clip. We've got to hear, I think. Ever since the start of the industrial revolution, there have been fears of mass unemployment as machines replaced humans.