By Kim Walsh Phillips Imagine you are in a small town, away on business and are starting to get hungry. You notice there are two restaurants in the town square: One has two cars in the parking lot—you are guessing a server and the cook’s car—and the other has 20. Which one are you going with? Your brain will most likely pick the safer option, and no matter what they’ve got on special this evening, you are going with the one that has the cars in the lot. Why do we do this? Social behaviorist Robert Cialdini calls this human behavior “informational social influence.” It’s the concept that people copy the actions of others in certain situations out of a desire for safety. It’s why we’ll buy something online that has more reviews than something else. It’s why we ask, “What are you wearing?” to our friends before going to …