MUNI Floppy.
SF's Market Street Subway Is Running on Reagan-Era Technology: "Our train control system in the Market Street subway is loaded off of five-and-a-quarter inch floppy drives," SFMTA director Jeffrey Tumlin told KQED's...
https://jwz.org/b/yj9j
@jwz Programming languages that were popular in the 90s! Heavens!
Did we, uh, they have to use magnets on the drum?
