I've sometimes pondered what it would be like to have something like Sensor's license plate tracking, but using a car-mounted dashcam. Even with just one in eve

I've sometimes pondered what it would be like to have something like Sensor's license plate tracking, but using a car-mounted dashcam. Even with just one in every few thousand cars equipped, you could probably get pretty comprehensive location tracking of where particular cars were at a given time. There would be many uses for such a capability, both positive and negative to society.