There are surely certificates with expiration dates on these systems, so when the internal clock goes beyond that date, some stuff will stop working. I guess th

There are surely certificates with expiration dates on these systems, so when the internal clock goes beyond that date, some stuff will stop working. I guess then someone would write a date mapping tool (calendars repeat themselves every 28 years, with matching weekdays and leap years, although in 2100 this rule will break).