From Hackaday:
Atari ST Still Manages Campground Reservations After 36 YearsQuote"Don't fix it if it ain't broke" . That's what we guess [Frans Bos] has been thinking for the past few decades, as he kept using his Atari ST to run a booking system for the family campground. (Video, embedded below.)
Although its case has yellowed a bit, the trusty old machine is still running 24/7 from April to October, as it has done every year since 1985. In the video [Frans] demonstrates the computer and its custom campground booking system to [Victor Bart].
FULL ARTICLE HERE (https://markholtz.info/2g5)
Cool article and wish we had devices like this.