Sublime

Two studies of U.K. teens show the same thing, with social media and internet time the most strongly linked to depression and self-harm behaviors, especially among girls, and gaming and watching TV/videos more weakly linked.

Even if the content on these sites could somehow be filtered effectively to remove obviously harmful material, the addictive design of these platforms reduces the time available for face-to-face play in the real world. The reduction is so severe that we might refer to smartphones and tablets in the hands of children as experience blockers.

By the early 2010s, nearly 2 out of 3 Millennial high school seniors believed that their intelligence was above average.

As we saw earlier, young people have increasingly spent more time online and less time with each other in person, which may be one reason why depression, unhappiness, and loneliness rose. If liberal teens spent less time socializing in person and more time on social media than conservative teens, that might explain why their mental health suffered

Not so in most of the rest of the world. New technologies have reshaped social interaction and leisure time, value systems have shifted from rigid rules and strict social roles to individual expression and an embrace of diversity, and the milestones of adolescence and adulthood are now reached much later than they were seventy years ago.

You can even see the difference in people’s brain waves.

generations differ because technology has radically changed daily life and culture, both directly and via technology’s daughters individualism and a slower life.

Millennials spent less time socializing with other people in person than Gen X’ers did at the same age—about 10 minutes a day less on average