What specific problem was Art Fry trying to solve when he realized the potential of Spencer Silver's adhesive?

Answer

His bookmarks kept falling out of his choir hymnal

Art Fry, an engineer at 3M, encountered a personal frustration while singing in his church choir. He used small pieces of paper to mark specific hymns in his book, but these markers frequently fell out whenever he handled the hymnal. He identified a need for a bookmark that would remain in place while the book was being used but could be easily removed without causing any damage to the thin paper of the pages. This relatable problem provided the perfect application for the repositionable, low-tack adhesive that had been previously shelved.

What specific problem was Art Fry trying to solve when he realized the potential of Spencer Silver's adhesive?

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