Cookies are a way for organisations to collect data from people who visit their site or app. You might see banners popping up on sites you visit asking you to accept or decline them. Maria Clara Montoya from the What in the World team explains how cookies work and why we often see that choice.

Meta, the company behind Facebook and Instagram, has rolled out a paid-subscription version of their social media sites for users in Europe. If you pay the subscription you don’t get advertisements and Meta says it doesn’t get your data. If you don’t pay, the sites get your data and you see ads. Meta says they’re doing this to comply with European Union laws on data collection.

But some privacy campaigners say people shouldn’t have to pay if they don’t want to share their data. Privacy expert and campaigner Alexander Hanff, known as That Privacy Guy, explains what happens to our data when we browse online.

And Bipana Dhakal, founder of “The Learning Fortress” in Nepal, explains how you can keep your online data safe.

Instagram: @bbcwhatintheworld WhatsApp: +44 0330 12 33 22 6 Email: whatintheworld@bbc.co.uk Presenter: William Lee Adams Producers: Emily Horler, Maria Clara Montoya and Adam Chowdhury Editor: Julia Ross-Roy

Personalised ads - would you pay to opt out? 13:32 Share

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Personalised ads - would you pay to opt out?