You're absolutely correct. I'm not ancient enough to say first-hand. I know that threaded replies in BBSes in the early 80s at least coincided with usenet thre

You're absolutely correct. I'm not ancient enough to say first-hand. I know that threaded replies in BBSes in the early 80s at least coincided with usenet threaded replies. I didn't have a proper email address until years later via my university.