Malcolm Gladwell on What Really Makes People Disruptive - The best-selling author says it's not tech, money, or brainpower. Successful disrupters all tend to have one huge precondition that's far more important.
When Angela Duckworth was working as a grade school math teacher, she was astonished by how much the kids who worked hard improved. "Everybody knows that effort matters," Duckworth says. "What was revelatory to me was how much it mattered.