Zoe Kleinman meets the founder of music streaming giant Spotify to talk AI, Apple and podcasts. Paul Carter is in Florence to see how new technology has allowed restorers to reveal a 17th century artwork as it hasn't been seen for hundreds of years. Spencer Kelly tests out a new AI visual effects tool. And Lara Lewington explores the latest tech to help you manage an injury at home.

To coincide with the world's first summit on artificial intelligence safety, Click reflects on stories it has covered this year in which AI has been used to find innovative solutions to pressing problems. In other words, this is a lazy clip-show episode with nothing more than old reports shown again. We also look at how artists are protecting their work from the growing power of AI and speak to a leading computer scientist about the dangers the technology could pose in the future.