Which of these food products was considered one of the biggest product failures in retail history, costing its company millions before being discontinued after only a few months?

The food industry sees countless product launches every year, but not all make it to iconic status. Some innovative ideas become legendary successes, while others disappear quickly despite massive marketing campaigns. This trivia question tests your knowledge of one of the most notorious product failures in food retail history. Do you know which ambitious food innovation crashed and burned despite its highly anticipated launch?

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Colgate Kitchen Entrees (frozen meals launched by the toothpaste company in 1982)
Kellogg's Breakfast Mates (cereal, milk and spoon all-in-one package from 1998)
Frito-Lay WOW! Chips (olestra-based fat-free chips from 1998)
Coca-Cola BlāK (coffee-flavored Coca-Cola launched in 2006)