The Big Gulp was introduced by 7-Eleven in 1980, changing the way Americans enjoyed their soft drinks. The idea came about when Dennis Potts, a Coca-Cola representative, noticed that customers were refilling their smaller cups multiple times at a 7-Eleven store. He pitched the concept of offering larger cups, and 7-Eleven’s VP of marketing at the time, Dennis Rosenbaum, saw potential. They started with a 32-ounce cup, which was nearly unheard of at the time, and dubbed it the “Big Gulp.” The ove