From social networks that swallow our personal data to intelligent voice assistants who capture our exchanges, via facial recognition which is about to scrutinize our faces ... Whether in public space or in the private sphere, our facts and gestures seem no longer able to escape the eyes and ears of new technologies and the companies that exploit them.

What do these private groups know about us? Why are we so quick to give them part of our privacy? Are we doomed to live under surveillance? Is it still possible to disappear from radars?

The journalist Olivier Tesquet, author of the investigation book "À la trace" (Éd. Premier Parallèle), answers us.

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