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Understanding Data Privacy

How do we train AI without spying on people? Learn about 'Differential Privacy' and 'Federated Learning'.

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Solution 1: Differential Privacy (The "Blurry Face")

Imagine looking at a crowd photo. You can see "mostly happy people," but you can't recognize any specific face because they are blurred.
Differential Privacy does this with math. It adds random "noise" to the data.

  • Real Data: "John spent $102."
  • Noisy Data: "Someone spent roughly $100."

The AI learns the pattern (people spend about $100) without knowing exactly what John did.

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