Bill Rosenberg opened the first Dunkin' Donuts restaurant in 1950, and had a simple philosophy of making and serving fresh coffee and delicious cakes quickly and with excellence in modern and upscale stores, and this philosophy is still valid today, and is the motto of the global chain of these restaurants, they serve baked goods Delicacies such as patty, donuts, and cookies. In addition to hot drinks such as coffee, mocha, espresso, and hot chocolate, they also serve iced drinks such as iced coffee and kiwi and strawberry mixture.