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The same problem that caused the 2007 financial crisis also tripped up the polling data ahead of this year’s presidential election.
Abstractions blog

The Devil in the Polling Data

The same problem that caused the 2007 financial crisis also tripped up the polling data ahead of this year’s presidential election.

A mathematical technique called “differential privacy” gives researchers access to vast repositories of personal data while meeting a high standard for privacy protection.
cryptography

Privacy by the Numbers: A New Approach to Safeguarding Data

A mathematical technique called “differential privacy” gives researchers access to vast repositories of personal data while meeting a high standard for privacy protection.