MCDONALD'S EXTENDS "THE ORIGINAL MOUTHFUL" CAMPAIGN WITH A MODERN MAKE-OVER OF THE CLASSIC BIG MAC® PROMO PR Newswire NEW YORK, April 17, 2024 McDonald's, DDB Sydney and adam&eveDDB partner with OMD and Snapchat for Australian-first Big Mac ® activation NEW YORK , April 17, 2024 /PRNewswire/ -- McDonald's Australia, DDB Sydney, adam&eveDDB & OMD unveiled the full, integrated 'The Original Mouthful' campaign for the iconic Big Mac®, following the revival of one of the world's oldest burger...