Which famous brand slogan was originally created as a temporary campaign but became so successful it's been used for over 50 years?

Behind every memorable slogan is a fascinating marketing story. Some of the most recognizable brand phrases have interesting origins that shaped pop culture and consumer behavior for decades. This trivia tests your knowledge of how certain iconic slogans came to be and why they resonated so deeply with audiences. Can you identify which famous catchphrase has the most surprising backstory?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Nike's "Just Do It" - inspired by a death row inmate's last words
McDonald's "I'm Lovin' It" - initially Justin Timberlake's song title before becoming a slogan
L'Oréal's "Because You're Worth It" - created by a 23-year-old female copywriter in 1973 as a feminist statement
M&M's "Melts in Your Mouth, Not in Your Hands" - invented during WWII when chocolate was sold to soldiers in hot climates