Social proof is a psychological and social phenomenon wherein people copy the actions of others in an attempt to undertake behavior in a given situation.

Real-Life Use-Cases:

• Testimonials For Products


• eCommerce site notifications: “Bob Just Bought XYZ”


• Hotel Towels Reuse: “Join Others To Converse Climate”

Has this happened to you? One example of social proof is when people see a long line outside of a restaurant, they are more likely to think that the food must be good and go inside to eat.

The woman thinks she is going to lose weight because others are saying it works.