We already trade a tremendous amount of privacy for technological services. We do it all the time. We do it every time we start a bank account or sign up for a credit card. We do it often when we point our internet browsers to a new web page. We do it when we sign up for school. We do it when we get onto an airplane. And we do it—a lot—when we use our mobile phones. Have these been good trade-offs for everyone? That’s a matter of personal opinion, of course. But when most people imagine not being able to use a credit card, surf the web, sign up for school, travel by air, or use their phones
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