At one point during his rise to internet fame, Hank Green tallied up every minute that every viewer had spent watching all the videos he’d ever made with his brother, and came up with a sum roughly equal to the average human lifespan. Now, he said, that collective viewing total amounts to at least 50 lifetimes.
“It makes you think, ‘Am I doing a human lifetime’s worth of good here?’” he said.
Existential...