A lot of production industry still runs on PLC from the 90s or older and uses DOS supervision systems. They would continue using it but are usually forced to upgrade once they run out of spare parts and / or staff that can maintain it.
I believe North Korea is a pretty dangerous place to live. However, I don’t know if that’s true because them being so closed off and inaccessible makes it very easy to basically say anything about them (let’s say they eat newborns every Tuesday for lunch) and there’s no way to fact check it.
I’d like to add grayjay
Hah I think some people are Aliens and they don’t want me to be fast enough to do it. Hey, I’m sorry to bother you can I find the same guy who came in the morning and said that he was going back in the past?