Is extracting the voices of dead musicians, digitally de-aging living actors, or relying on AI algorithms to pick a future husband or wife creepy or cool? Professor Michael Sandel of Harvard University - Radio 4's 'Public Philosopher' - discusses these and other questions with an audience at the Hay Festival in Wales. Producer: Ben Carter Editor: Richard Fenton-Smith Sound Engineer: Andy Fell Production co-ordinators: Janet Staples and Liam Morrey Archive credits: Apple Music: The Beatles, Now and Then Intuition Robotics: ElliQ