LOUISVILLE, Ky.--(BUSINESS WIRE)--With a strong track record of digital “firsts” that have made ordering easy for customers, Papa John’s International, Inc. (NASDAQ: PZZA) has created a digital experience that customers love. Papa John’s announced today digital and mobile channels account for more than 50 percent of its total U.S. sales (delivery and carryout), making it the first in the industry to surpass this milestone. Additionally, Papa John’s announced that it will now begin accepting Goo