Any topic is good. Don’t care about format or where it’s published as long as I can access it (substack, random PDF, journal, etc). Looking for deep and rare thought, but essay length for a short reading.
EDIT: Also I am particularly looking for stuff not as much in online or nerd culture.
How about HG Wells talking about mini wargaming in 1912? I think it’s fascinating to see proto-nerds inventing the geek stuff that we take for granted a hundred years later.
Little Wars via Project Gutenberg
And a subtitle that he probably thought was egalitarian and progressive at the time.