ever had. reporter: the public-will have a chance to pay their respects to the queen as she lies in state for four days ahead of the state funeral on monday, september 19th. cnn s scott mcclean is live in windsor where you witnessed just a marvelous day for the royal family. we were royally surprised back here in the states, how did it go for you? reporter: it sure seems that way, look, before this took place, jim, there was a lineup that stretched for at least an entire city block with people waiting to get into this area just at the gates of windsor castle to lay flowers and pay their respects to queen elizabeth ii. when they started setting up barricades earlier today, we were told that there would be a visit. most people expected that that visit would come from the prince and princess of wales, will and kate. what they did not expect to see, though, was the two people who came out of the same vehicle with them, the same people with them, which was harry and meghan, es
welcome to the whole story. i m anderson cooper. artificial intelligence, or a.i., is an incredibly powerful technology which may change many aspects of our lives. the ceo of google s parent company, alphabet, which has invested heavily in it, recently said a.i. s impact could be more profound than electricity or even fire. but many worry about what that impact might turn out to be. could a.i. one day replace humans? and if so, how might that happen? we ve already seen some service-based and manufacturing jobs turn to a.i. in a big way. but what about other industries? can a.i. replace journalists or news anchors? perhaps it already has because what you just saw and heard a moment ago was not actually me. this is me, anderson cooper. and i am an a.i.-generated anderson cooper. that wasn t my real voice, and i never spoke the words you just heard. we asked a young student in california to create a fully end to end a.i. version of me. looks like me, sounds like me, and it