Which iconic brand tagline was originally created as a temporary placeholder but became so popular with test audiences that the company decided to keep it permanently?

Some of the world's most recognizable brand taglines have fascinating origin stories that even loyal customers might not know. This poll tests your knowledge about the creative process behind iconic pop culture slogans that have shaped consumer behavior for decades. Do you know which famous tagline was actually created under unusual circumstances?

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

Nike's "Just Do It" (inspired by the last words of convicted murderer Gary Gilmore)
Apple's "Think Different" (originally meant to be internal creative direction only)
M&M's "Melts in your mouth, not in your hands" (created during WWII for soldiers in hot climates)
McDonald's "I'm Lovin' It" (initially a placeholder slogan during Justin Timberlake's campaign development)