Tipping is so engrained in our cultural framework that we rarely take a step back to question how this custom developed and why we continue to practice it. Dr. William Michael Lynn is a professor in Hospitality department at Cornell University and is a world-renowned expert for his research on tipping. How did tipping come to be? Does better service actually lead to better tips? What are tipping preferences amongst servers, customers and restaurateurs? And ultimately, is our current system of tipping really the strategy that makes the most sense?