Tech giants threaten to quit Hong Kong

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An industry group representing tech giants has warned they could pull out of Hong Kong. The Asia Internet Coalition said proposed government legislation is too broad in its crackdown over personal data that may have been published online. Kris Cheung is a freelance journalist from Hong Kong, now working in London, and explains the background to the dispute. Also in the programme, Iceland has been experimenting with a four day week for workers, which researches say has been "an overwhelming success". Joe Ryle is from Autonomy, a UK research group which helped authorities in the country with the trials, and discusses the project. The BBC's Laurence Knight reports on whether geothermal energy could provide a big missing piece in the puzzle of how to decarbonise the world economy. Plus, the Cannes film festival gets under way in the south of France today. Hannah Strong, associate editor of the film magazine Little White Lies, is currently in Cannes, and tells us what the atmosphere is like. (Picture: The Hong Kong skyline. Picture credit: Getty Images.)