In 1957, market researcher James Vicary claimed to boost concession sales at a movie theater using subliminal messages. What product showed the most dramatic claimed increase in sales?

Test your knowledge about one of the most controversial marketing techniques that sparked widespread debate in the advertising industry. This famous alleged subliminal advertising case from the 1950s became a textbook example in marketing classes worldwide, despite later being revealed as potentially fabricated. How well do you know this landmark case that changed how we think about consumer manipulation?

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Popcorn
Coca-Cola
Candy bars
Hot dogs