Haha. But for anyone seriously considering something like this, when your kids become teens in the US they either have smartphone access or they have no friends

Haha. But for anyone seriously considering something like this, when your kids become teens in the US they either have smartphone access or they have no friends. Basically school hours are the only time they are reliably unplugged. This is the only way to do it: unplug everyone...now, no network effects.