That's funny. I clicked on the HN article on the home page about the AT Protocol[1] expecting an article on the Hayse set. And then I scrolled down and saw this article.
I still think to Hayes AT commands almost every time I see an article about the AT protocol, thinking "who is still using analog phone modems"?
My first job in IT was at AOL tech support and we could rattle off modem strings from memory :-)