On: Mercury OS

[lproven]

It is a direct reference to Jef Raskin's work, which he called the Humane Interface.

https://en.wikipedia.org/wiki/The_Humane_Interface

He is namechecked right there in the story as a pointer. You're on the WWW. If you don't recognise the name, the idea is that you Google it and find out. That's how this stuff works. It's not 1993; you don't need to try to guess what they meant...