So did I, but that was connecting to BBSes, Bulleting Board Systems, privately operated computers that could allow one, or possible two dial in calls at a time, not multiple users to access the page simultaneously by dial-up, Ethernet, or other means. I was the substitute SYSOP for one in Stockton, CA, when the owner went on vacation, called "The Wrong Number" back in the 1980s.
Commodore 64 yahooo!!!!!
I had a VIC-20 and when I bought the 64 thought I was in pig heaven. Taught myself Basic and assembler language on that thing.