Instead of forcing users to do something, you can condition them to do something with signs, sounds, and colors. This can be seen at medical offices where they have posters about every disease that you can think of. Feeling Sleepy? Feeling Tired? You might have StupidNonsense Syndrome. You will also see this at car rental places where they will show you prices of part of car for replacement if you do not buy insurance.

Interesting Fact: Airports are designed in a way to motivate you to “walk” “sit” or even relax by the usage of signs, carpets, and lighting.

A customer is refusing a warranty but when he sees a post of a car with the cost of each part that he might have to pay if he doesn’t buy a warranty.