What if they didn't have a phone? would you take the time to write them letters? wouldn't your interactions be much different? That's the point. At what level

What if they didn't have a phone? would you take the time to write them letters? wouldn't your interactions be much different? That's the point. At what level of saturation does the person opting-out of a communication medium become the more difficult one? The majority of people in the US have a social media account.