Which famous brand slogan was originally created as a temporary campaign but became so popular that the company made it their permanent tagline?

Test your knowledge of pop culture marketing history! Some brand slogans become so iconic that they transcend advertising and enter our cultural lexicon. Behind many of these famous taglines are fascinating origin stories - creative breakthroughs, happy accidents, or cultural moments that sparked marketing gold. This question explores the surprising backstory of one slogan that has endured for decades and shaped how we think about its brand.

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Nike's "Just Do It" - originally a one-off campaign inspired by the final words of a death row inmate
Apple's "Think Different" - initially developed only for a single product launch event
McDonald's "I'm Lovin' It" - first designed as a limited-time Justin Timberlake concert promotion
Coca-Cola's "Open Happiness" - created as a seasonal holiday campaign before global adoption