It’s just a concept . . . but boy could we use something this simple to manage our privacy.
Imagine this: You’re marching toward a protest when a paddy wagon rolls up. There are whispers that the mayor has chosen to crack down on public dissension, and you’re worried that your peaceful demonstration could be misconstrued as something else. If it is, your face will be captured by a random camera, recognized, and filed as a problematic citizen—perhaps it will even get you arrested.