The digital afterlife business

This week we're looking at a growing digital industry which allows people to interact - in a way - with the likeness or the voice of someone they care about who has passed away. It's not science fiction, and it does involve AI chatbots.

Also on Tech Life this week, we'll be finding out about two tech solutions to the problem of food which goes to waste. Tech Life's Alasdair Keane explores the challenge of making a Formula 1 racing car more eco friendly. And what is digital art ?

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Presenter: Graham Fraser Producer: Tom Quinn Editor: Monica Soriano

Image: An illustration of a human hand reaching toward the unknown. Science fiction becoming reality. Credit: Yana Iskayeva/Getty Images