Not unusual at all. I get around town a lot, and used to work in some very public positions. I can almost never recognize anyone, unless I already know them extremely well, out of the normal context where I usually encounter them. Usually, I do know that I know them, but I just can't remember from where. And names? Forget it. It takes me dozens of times using someone's name before I can recall them readily, but only in context, not anywhere else.
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I'm not likely to be around much longer. As before when I first signed up here years ago, I'm finding that after a long hiatus, and after only a few days back on here, I'm spending way too much time here again already. So I'm requesting my account be locked, banned or whatever. It's just time. Until then, well, I dunno...