My 8-year-old was telling me about a recent school lesson. The teacher was telling them (for some reason) about the use of the term P.S. Her explanation began “In the old times people didn’t have computers, so they had to write letters on paper…”
Of course, I know that my children have lived entirely in the age of personal computing, but it was still striking to hear it presented in such stark terms. I actually experienced the transformation exactly during my university studies. When I arrived at Yale in the fall of 1983 I had my Apple IIe, my roommate had a Compaq, and otherwise pretty much no one had a personal computer. Everyone else seemed to be writing their papers on a typewriter. (It was kind of unreasonable of me, actually, to expect the professors to read the low-resolution dot-matrix output that I turned in, but I wasn’t very considerate at the time.) The Macintosh appeared the next year, and by 1986-7 everyone was writing their senior essays on the Macintoshes in the college’s computer room.