Companies and governments are gaining new powers to follow people across the internet and around the world, and even to peer into their genomes. The benefits of such advances have been apparent for years; the costs — in anonymity, even autonomy — are now becoming clearer. The boundaries of privacy are in dispute, and its future is in doubt. Citizens, politicians and business leaders are asking if societies are making the wisest tradeoffs. The Times is embarking on this monthslong project to explore the technology and where it’s taking us, and to convene debate about how it can best help realize human potential.

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Ideas

Does Privacy Matter?

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Basics

What Do They Know, and How Do They Know It?

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Debate

What Should Be Done About This?

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Action

What Can I Do?

Illustrations by Max Guther