The fun of getting a letter from a friend. And something called Wite-out, used to fix "typos" on documents.
Important people had secretaries, either young and attractive or (if the person was really important) older and somewhat terrifying. Sometimes they had both.
Lines in the dormitory on Sunday nights to use the single pay phone.
I worked in ad agencies with "art departments" where people cut and pasted (using x-acto knives and paste) and actually drew things by hand. They used Letraset letters to make "comps" which were then photographed and turned into magazine ads through a mysterious process.
No more slide rules, thank God. I never could figure those stupid things out.
The place where I swim has a substance called Vitalis in the men's locker room. I use it to make my sparse but unruly hair look neat. I'm not sure it is sold anymore in the real world. Is Brylcreem sold anywhere?