Do you know how that line down the middle of the road, dividing it into equal halves so that cars will avoid hitting each other, was created? Did you know that that was a nudge? Or that the same technique is used in your local supermarket and every time you see the written message, “Hand Disinfectant”? Keep reading if you want to find out what nudges are, why and how they work, where they can be used, and much more.