Lemon. The Uncola. The Man in the Hathaway Shirt. You Deserve a Break Today. Just Do It. Got Milk? Those are just some of the big ideas that have inspired consumers over the last 80 years. Without them, modern advertisers wouldn’t have a compass for their own journeys. In a 1972 article called How to…

(SOURCE) https://www.adweek.com/agencies/big-idea-advertising-better-informed/