On April 6, 1980, Post-its were officially stuck on store shelves and, since then, have become an important part of desks, refrigerators and wall calendars.
But the history of the adhesive invention dates back to 1968 when Dr. Spencer Silver, a researcher for 3M, created an adhesive that would stick to surfaces but could easily be removed and repositioned.
However, it was Silvers colleague, Art Fry, who came up with the idea of Post-it notes while he was singing in his church choir and kept having to deal with a bookmark falling from his hymnal.
It took a while to bring the gizmo to market because consumers couldnt fathom a use for the sticky paper. But now, Post- its are so popular that there is a good chance you will use them today. Researchers say the average professional receives 11 Post- it messages each day.
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