Using ‘blockers’ to remember important items

Did you ever hear the story about UPS? They programmed their GPS (their google maps) to optimize right turns as much as possible when driving around and making deliveries. They found that when you optimize for right turns, you get a number of benefits: you reduce the wait time at the traffic light (if you think about it, a right turn is usually faster than a left turn at most intersections), which reduces the gas and emissions that the delivery trucks use, and another added benefit is that it is much safer — they found that their UPS trucks got into less accidents as a result…