 Network agencies recognized for data-driven creative work that helped brands like Tinder, Volvo, and the National Football League engage new audiences. NEW YORK, July 1, 2021 PRNewswire -- MDC Partners MDCA announced today five of its agencies earned a total of 18 awards during the 2020-2021 Cannes Lions International Festival of Creativity, the most presitigious annual awards show recognizing creative excellence and effectiveness in the advertising, media, and marketing industries. 