http://theweek.com/articles/783097/quiet-destruction-american-teenager
“Few periods in American history have been as revolutionary as the last decade or so. Between 2009 and the present the use of smartphones has become ubiquitous among children. It is not uncommon for many young people to spend six or even nine hours a day in front of these screens, getting less sleep, spending less time engaged in other meaningful activities, engrossing themselves in a set of priorities and commitments that are utterly divorced from the real world in which they should be learning to live.”