Oh, it's just that on Hacker News, if a post is to let others know about a finished work of their own creation, people usually put "[Show HN]" in the title. Thu

Oh, it's just that on Hacker News, if a post is to let others know about a finished work of their own creation, people usually put "[Show HN]" in the title. Thus, your post would be called: > [Show HN] Slime Molds and the Tokyo Railway System It doesn't matter that much, but including "Show HN" means it will appear on https://news.ycombinator.com/show https://news.ycombinator.com/show in addition to the usual HN homepage :) Welcome to the site and thanks for the educational entrée into SI (Slime Intelligence, much better than AI in my opinion!)