In the US cough drop maker Ricola is about to launch an integrated campaign and a competition to celebrate its 75th anniversary. Through radio spots and on-pack ads consumers will be invited to find Ricola's mystery cougher in their city, having the chance to win up to $1 million if they offer the mystery cougher a Ricola when he/she coughs. Clues will be given online at www.ricolathanksamillion.com to help consumers pinpoint the mystery cougher's location. Read more on Brandweek.