Post-it

In 1968, Dr. Spencer Silver , a scientist in 3M , was attempting to develop a super-strong adhesive , but instead he accidentally created a low.tack, but in 1974 a colleague of his , Art Fry, came up with the idea of using the adhesive to anchor his bookmark in his hymnbook. In 1977 they but the product out to the public in 4 cities under the name "Press 'n Peel" but its results were disappoinnting. A year passed and in 1978 , 3M gave free examples to some persons and 94% of them would buy the product. In 1980 the product was know out in stores as Post-It Notes in United States and in 1981 Post-it was launched to Canada and Europe.

A post-it note or sticky note, is a piece of paper with a re-adherable strip on the back. Now a days you can find it in different sizes and colors but originaly it was a 3in yellow paper. It was invented by invented by Dr. Spencer Silver and co-created by Art Fry.