18:00Six O'Clock News02/05/2023 Warning issued about AIBBC Radio 4 Duration: 30 minutes Tue 2nd May 2023, 18:00 on BBC Radio 4 LWAvailable for over a yearListen nowGeoffrey Hinton, a pioneer in the field, has suggested chatbots could soon be smarter than human beings.GenresNewsBrandSix O'Clock News Source: BBC Online