Privacy is a complicated subject. It’s not always a simple binary thing, private or not private, seen or unseen. Seen by whom? Private from whom? Private to what degree? If you are walking down the street with a mask on your face no one can see your face, so that means you are private, right? What if you are the only one wearing a mask? Are you private then? People might not be able to see your face, but they can see that you are the only one wearing a mask. If you travel around the same areas frequently, people might not know your face and name, but they can consistently recognize you in the same way people do a familiar face simply by noticing the only person who wears a mask is back…

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