Effortless attention. Complete immersion while pursuing a task. Working at your highest level without even knowing it. Sounds like a superpower, but it’s just psychology. Flow is a state of mind any musician, writer, athlete or programmer can enter. There are a hundred names for it: being in ‘the zone’, ‘wired in’, or just plain ‘absorbed’. You know you’ve been there when you look at the clock and hours have flown by. As I...