San Francisco Municipal Transportation Agency’s train system is not only relying on humans to run it, but turns out that a floppy disk plays a key role, according to the report from Luz Pena.
Here is the link: https://abc7news.com/san-francisco-train-system-has-been-running-on-floppy-disks-but-city-fears-catastrophic-failure-before-upgrade/14624828/