Brain drain !!!

“the mere presence of these devices reduces available cognitive capacity”

Our smartphones enable—and encourage—constant connection to information, entertainment, and each other. They put the world at our fingertips, and rarely leave our sides. Although these devices have immense potential to improve welfare, their persistent presence may come at a cognitive cost.

Brain Drain: The Mere Presence of One’s Own Smartphone Reduces Available Cognitive Capacity

Just look around you — at the people crouched over their phones as they walk the streets, or drive their cars, or walk their dogs, or play with their children. Observe yourself in line for coffee, or in a quick work break, or driving, or even just going to the bathroom. Visit an airport and see the sea of craned necks and dead eyes. We have gone from looking up and around to constantly looking down.

I Used to Be a Human Being