Cognitive Surplus

by Clay Shirky

"Every single year for the second half of the 20th century, the amount of television watched by humanity increased. Collectively, we now watch more than one trillion hours of television every year – something not entirely unlike, as Clay Shirky sees it, tipping the free time of the world's educated citizenry (their "cognitive surplus") down an intellectual plughole. It's not that television is evil, or even bad. It's just that, as a medium, it's incredibly good at soaking up leisure and producin