Before call display and answering machines, the only way to get in touch with people was for you to be home at the same time they were home. As soon as anyone had grocery shopping/soccer practice/dinner plans/a life of any kind, that person was dead to you.
2. Mailing Letters
Now we view mailing letters as a quaint, romantic activity, but this used to be how you paid your bills. Paying your bills required envelopes and stamps. Pop quiz: Aside from the local post office you can’t get to during work hours, what’s the closest place to buy stamps?
You fail, now your gas is shut off.
3. Phone Books
Every year, 15,458 pages of paper would be delivered to your door just so you could have the latest number for Domino’s.