This type of conversation always confuses me too. Not a quantum example, but if I say: you can know that I’m in my house because my car is outside and you saw me walk in. There is some statistical value that represents any particular area of my house I currently occupy but you can’t say where with any detail. However, if you look in the window, you can observe where I am at that point in time. However, if I was there before you looked, how does that change anything?
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