I've seen it recommended to post a message here and pin it to your profile as a sort of introduction.
I like to help people with stupid things I've learned about computers in the past 40 years or so, because they don't seem to be going away.
I believe it's usually easier to repair aging infrastructure than to replace it.
Ignorant people are usually a lot smarter than they get credit for, and educated people are usually a lot more ignorant than you could imagine.
The post limit is too short.