What was the original 'failed' product development that eventually led to the creation of Post-it Notes at 3M?

Product innovation often comes from unexpected places! Sometimes the most successful products emerge from mistakes or serendipitous discoveries. This poll challenges your knowledge about one of the most iconic office supplies that revolutionized how we organize information and communicate ideas. Do you know the true story behind this accidental invention that transformed into a global phenomenon?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

A super-strong adhesive that wouldn't come unstuck
A weak, pressure-sensitive adhesive that could be repositioned multiple times
A heat-activated glue for bookbinding that melted too easily
A waterproof paper coating that wouldn't properly adhere to surfaces