I don’t think most people under 40 can wrap their head around what it was like to need to be home or at work for someone to reach you, which required a phone call. And you couldn’t make a phone call unless you were at home or work, or stopped at a pay phone. And what if you called someone that wasn’t home? Or were on the can and couldn’t pick up in a few rings? Sure you could leave a message but they probably had no way to get back in touch with you. You just had to wait and hope they called again. No text. No email. No Caller ID for most people pre-internet. No GPS for most people, and even if they could give you GPS coordinates, wear are you going to with them? Hope you got a really big fucking globe.