[nabnob]

^ commenter is a security researcher who works for Google.

This whole area of research seems like it exists as a way to rationalize wide-scale data collection. Rather than focusing on the collective rights of all people being tracked, it focuses on the risk that any individual person faces from an attacker.

[cromwellian]

Apple uses differential privacy and evangelizes its use. DP is not either-or with consent.

Let's say your mapping app says 'Do you want to contribute traffic information during your drive to help provide better navigation experience for everyone' If you click "yes" and opt-in, do you, or do you not, want this to use Differential Privacy?