Within hours of the magnitude 7.8 earthquake across Turkey and northern Syria, the internet in Turkey was partially shutdown. And it wasn’t just because of damage to network infrastructure from the quake itself, but Twitter was blocked, as the authorities raised concerns over misinformation online.Internet shutdowns are used by governments around the world to control people’s access to information, for example during protests, but also somewhat surprisingly to prevent cheating during public examinations.Shutting down the internet costs individuals and countries huge amounts of money. The TopTenVPN annual report which analysed every major intentional internet shutdown in 2022 has revealed that they cost a world economy, already reeling from a number of shocks, a further $24 billion.The programme is presented by Gareth Mitchell with expert commentary from Bill Thompson.

Studio Manager: Michael Millham
Producer: Alun Beach(Image: Keyboard lit up in red in the dark. Credit: Sean Gallup/Getty Images)

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