Consider that the ability to concentrate without distraction on hard tasks is becoming increasingly valuable in an increasingly complicated economy. Social media weakens this skill because it’s engineered to be addictive. The more you use social media in the way it’s designed to be used — persistently throughout your waking hours — the more your brain learns to crave a quick hit of stimulus at the slightest hint of boredom.
Cal Newport: Quit Social Media. Your Career May Depend on It.