Which famous advertising slogan, first used in 1926, was created after the company's president overheard a sales representative praise their products with this phrase?

Throughout history, memorable advertising slogans have shaped consumer culture and reflected the values of their eras. Some slogans were so powerful they transformed struggling companies into industry titans, while others captured the zeitgeist of entire decades. This trivia question tests your knowledge of one of the most influential advertising slogans in business history - one that helped define American commerce in the early 20th century.

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"They're G-r-r-reat!" (Kellogg's Frosted Flakes)
"It Keeps Going, and Going, and Going..." (Energizer)
"When It Rains It Pours" (Morton Salt)
"Good to the Last Drop" (Maxwell House Coffee)