Post-it Notes Were Never Supposed to Exist | Smartest Year Ever (July 30, 2025)

In 1968, a 3M chemist accidentally created one of the weakest glues ever made—and nearly threw it away.

But a few years later, another 3M employee remembered that oddball adhesive during a completely unrelated church choir problem…and together, they helped launch a billion-dollar office supply empire that’s still sticking around today.

This is a story about failed glue, unexpected creativity, and the kind of accidental genius that only makes sense in hindsight.

Join Gordy on today’s Smartest Year Ever to find out how one of the world’s most iconic inventions came from a product that wasn’t even supposed to work.

Like sticky notes? Love weird science? Want to become the World’s Greatest Conversationalist? You’re in the right place.

Sources:

• Fry, A. (n.d.). The accidental invention of the Post-it Note. 3M. https://www.3m.com/
  

• Silver, S. (2010). Interview with the National Inventors Hall of Fame. https://www.invent.org/
  

• Gladwell, M. (2000). The tipping point: How little things can make a big difference. Little, Brown and Company.
  

• Silver, S. (1970). U.S. Patent No. 3,691,140. Acrylate copolymer microspheres.
  

• Gross, D. A. (2015, March). Post-it Notes were an accident. Smithsonian Magazine. https://www.smithsonianmag.com/
  

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Music thanks to Zapsplat.