Nerds, especially European, of a certain age, will remember “Altos” as a bulletin board (Millennials: “social network”) that powered much of hackerdom in the 1980s, via the semi-commercial, semi-academic X.25 PSS networks which of course were not under threat from this upstart TCP/IP “ARPANet” thing.

This is a fossil: https://github.com/johnsonjh/altoschat