​​​​​​​The Generation of Post-it Notes

In 1974, 3M engineer Arthur Fry used to include a piece of paper as a sign in his songbook during a church service, but the paper often fell off when flipping pages. He thought about if there was a type of adhesive, "It's a bit sticky but not too sticky, you can stick it to the paper, you can tear it repeatedly without damaging the paper, that would be great." However, the reaction of the sticky note was initially unsuccessful, Later on, marketing personnel thought of why not send sticky notes to secretaries of top 100 companies for trial use. The response was quite enthusiastic, and it successfully created an export reputation for sticky notes. They sold well and remained the star products of 3M, and continued to evolve into other star products such as traceless hooks. [1]
Let's tell the story of the birth of sticky notes again. There is a rumor within 3M company that says, "The Post It Note may have been a God-sent, literally
In 1977, Arthur Fry was singing in a church choir when his bookmarks kept slipping and he couldn't quickly find the correct number of pages in the poetry collection. So he came up with the idea of creating a collection of hymns that could be repeatedly pasted and would not fall off or damage. He noticed that his colleague Dr. Spencer Silver had invented a formula for a special adhesive as early as 1968, which could be repeatedly applied without leaving any residue. So he used this adhesive and applied it to the back of the paper. His church hymn could solve the problem, and after continuous improvement, the magical sticky note was born