How differential privacy can crowdsource meaningful info without exposing your secrets

Apple threw out a loaded term and little information in its keynote about a new approach it's rolling out to learn user behavior while preserving privacy. It's good.

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Glenn Fleishman is the author of dozens of books. His most recent, updated for iOS 14, iPadOS 14, and Big Sur, are Take Control of iOS and iPadOS Privacy and Security, Take Control of Your Apple ID, Second Edition, and Take Control of Wireless Networking and Security. He’s a senior contributor to Macworld, where he writes Mac 911.
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