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As of when?

I haven't looked through all of the code, but since they store the (approximate) release date of each technology (https://github.com/jsrn/howoldisit/blob/master/src/technolog...) my guess is that it's "as of the instant you viewed the page".

That's such a pet peeve of mine. They don't know when I'm viewing the page. They only know when the request to render arrives. On longer timescales it's not as important, but still.

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