3.2 The five busiest airports in the United States are in Atlanta, Chicago, Los Angeles, Dallas-Ft. Worth, and New York City. At these airports there are more than 450 food outlets, with each airport offering a number of dining options that feature regional cuisines. Passengers will also see many familiar names like McDonald’s, Starbucks, Jamba Juice, Burger King, Subway, and Chili’s. Why might these national chains find it beneficial to locate inside these large airports?