Some months ago, I stopped by Haines School to chat with an administrator. 

A volleyball tournament was underway and some of the girls’ teams, those who were not playing at that moment, were in small groups around the school, doing what modern youth do. About three-fourths were seated and hunched over their smartphones. 

One might assume they were scrolling through some social media app. Spines and neck curved to the task, sedentary, interest, attention and…