Re: "who had a computer at home (with a modem)"
RE: "The problem was the modem - many computer didn't come with one, and they were expensive"
Gosh. My first encounter with a modem was a weird box into which you inserted your phone - the old style, proverbial, Telling Bone phone - into rubbery ports and hoped for the best. What were those things called? My long term memory chip is frazzled.