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How 'griefbots' allow people to 'talk to the dead'

There's an increasing number of startups using AI to create chatbots representing dead people. These so-called 'griefbots' or 'deadbots' are created using large language models or LLMs. Tech Now reporter Yasmin Morgan-Griffiths explores the growing trend which allows people to 'talk to the dead'.

This video is from Tech Now, the BBC's flagship technology programme.