Most creative people will take your head off if you butt in while they are "flowing." But that's exactly what the Pomodoro technique does, a popular time management trick designed to boost your productivity. The concept is simple: set a kitchen timer for 25 minutes and work until it rings. Then take a short break. Eugene Schwartz swore by a similar method. He gunned for 33.33 minutes (not sure how he managed the ....