Earlier quoted context omitted.
I think we need to revise our understanding of expectation of privacy. The 'you have no expectation of privacy when you are outside' bit was formed before we had everything recording us and before face recognition could track us. At the very least I think any kind of face recognition should require probable cause.
Its an interesting question indeed. You're saying there might be some expectation of privacy even in public? The line here is a little different. I could point a camera out my window and record every license plate that drives by my house, and that would be allowed because its recording public activities, and the data I collect would be private—its mine from my camera. The question here is if a public/government agenc…
Maybe you shouldn’t be allowed to do that. Permanent persistent recording of the public feels very different than taking a photo every once in a while, and I feel it’s an infringement of privacy even when a single person does it.