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Welcome to the explanation from the BBC World Service.
I'm Ros Atkins and this is the Media Show.
We're here to explain the trends behind the fast changing media landscape.
We're going to talk about the messaging app Telegram after its founder was arrested close to Paris.
We'll also be joined by the editor of the satirical website in the US the Onion, which is relaunching its print edition.
And we'll hear about a blockbuster game which has been made in China.
Let's start by talking about the messaging app Telegram, because its founder and its CEO, Pavel Durov, has been arrested close to Paris.
And we're going to explore the implications not just for him and for Telegram, but for many of the biggest tech platforms in the world.
To do that, let's begin with Mike Isaac, tech correspondent for the New York Times, who's in San Francisco.
We didn't quite know a lot from the very beginning.
We understood that Durav was detained.
It was pretty clandestine in the beginning.
Then later the French prosecutors let out a few different reasons.
According to sort of brief statement, it was facilitating of child pornography, human trafficking, drug trafficking, a sort of vague reference to encryption issues on the app.
So it was kind of a laundry list of issues.
But more broadly, Mike, were you surprised that this happened in France?