Much of the above along with:

Memorizing phone numbers, or, if you didn't remember them, looking them up in a physical telelphone directory.
Using a payphone
Having physical textbooks for school and using brown paper grocery bags to cover them

Yep, I also ran thru the mosquito truck spray fog I do have a pretty strong immune system...he-he...Never even caught Covid though both my husband and daughter ended up pretty miserable with it and coughed all over the place.