Which of these discontinued food products was introduced by Frito-Lay in the 1990s and featured black-colored corn chips that turned consumers' tongues and mouth blue/green, contributing to its market failure?

The food industry has seen its share of innovative products that seemed like great ideas but ultimately failed to connect with consumers. These retail failures teach valuable lessons about market research, consumer preferences, and product development. Test your knowledge of some notable food product disasters that major companies would rather forget!

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Wow! Chips (with Olestra)
Doritos X-13D Flavor Experiment
Cheetos Lip Balm
Doritos Black Pepper Jack