"There is a saying that if you get something for free, you should know that you're the product. It was never more true than in the case of Facebook and Gmail and YouTube. You get free social-media services, and you get free funny cat videos. In exchange, you give up the most valuable asset you have, which is your personal data."

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About Yuval Noah Harari

Yuval Noah Harari is an Israeli historian and public intellectual known for Sapiens, Homo Deus, and 21 Lessons for the 21st Century. He teaches at the Hebrew University of Jerusalem.

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