Earlier quoted context omitted.
Reading this made me realize I've written code that's no only older than a lot of people reading this, it's still being sold to new customers.
That's really impressive. What's the code? Something like that sounds like it could be a really inspirational success story.
I also worked on some ATM software at the same company, but it was pre-windows and I doubt it's running many places, much less being sold still.