When Were Post It Notes Invented
Post it Notes were invented in 1974 by Spencer Silver at 3M. Silver created a low-tack adhesive that could stick and be repositioned without leaving residue.
How Post it Notes Were Developed
Art Fry, a 3M colleague, used Silver’s adhesive to create bookmarks for his hymn book. The product was later refined into the sticky note format and launched commercially in 1980.
Impact and Legacy
Post it Notes transformed office organization and personal productivity. The product remains a widely used tool for reminders, labeling, and quick notes across homes and workplaces.
Learn more about the invention of Post it Notes and 3M’s history at 3M History.
