You've primarily been on HN to self-promote your app, which doesn't really fit the HN guidelines.

Anyhoo, to answer OPs question -- we live 10 minutes outside our town, and my kids play video games together with their friends. Sometimes via in-game chat, but just as often by playing a game on the same server and calling each other on the phone.

Personally, I'm still old-school. I call my friends and family on the phone and talk to them.

There's nothing wrong letting people know about a useful tool that they can take advantage of. It is not a promotion. It is distribution.