The adhesive used in Post-it Notes was originally considered a failure by 3M because it was too weak. How many years passed between the invention of this 'failed' adhesive and the launch of Post-it Notes as a product?

Product design innovations often come from unexpected places and sometimes even from failures. The journey from invention to market success can reveal fascinating stories about how everyday products came to be. This poll explores one such famous product design story that revolutionized office supplies and note-taking worldwide.

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3 years
7 years
12 years
20 years