The Post-it Note was invented as a solution without a problem: Dr. Spencer Silver developed a unique, repositionable adhesive, but the 3M scientist didn't know what to do with his discovery. Then, six years later, a colleague of Dr. Silver, Art Fry, remembered the light adhesive when he was daydreaming about a bookmark that would stay put in his church hymnal. The rest is history. Today, Post-it Brand boasts more than 4,000 unique products, and has become one of the most well-known and beloved brands in the world.

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