Please don't be snarky or cross into putdowns or personal attack. We're all in (let's call it) the unlucky 10,000 about something. About most things actually.

https://news.ycombinator.com/newsguidelines.html

There is an interesting episode of This American Life about how everyone, everyone, has weird gaps in their knowledge that eventually get filled in sometimes fun or humiliating ways. You have these too.

I can see that you're old and that I'm older, but I fail to see the justification for being snarky about that.

  Please don't sneer, including at the rest of the community.

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