"Eyes" Prevent Unwanted Behavior

"Studies show that people adhere to rules more when they think they are being watched, even if the watching eyes are fake," according to a post by Mike Michalowicz. "A recent stop at a McDonald’s showed this technique in practice. Above the drink and condiment bar where customers serve themselves are the eyes of Mona Lisa. Clearly this isn’t strangely placed art work, it is a technique to prevent customers from over serving themselves." Read more.