A Post-it note

A Post-it note (or simply Post-it), invented and manufactured by 3M, is a piece of stationery with a readherable strip of adhesive on the back, designed for temporarily attaching notes to documents, computer displays, and so forth. While now available in a wide range of colors, shapes, and sizes, the most common size of Post-it note is a 3-in (7.5-cm) square, trademark canary yellow in color. The notes use a unique low-tack adhesive that enables the Post-its to be easily attached and removed without leaving marks or residue. The names Post-it and Post-it note—as well as the canary yellow color—are trademarks of 3M, the company which invented and manufactures them. Accepted generic terms for competitors include sticky notes or repositionable or repositional notes; nonetheless, Post-it note is frequently used as a generic term for any such product. 3M manufactures other products towards the Post-it note concept, leveraging the success of the brand. As Post-it have been driven towards computerized versions like Stickies or PtiMemo, 3M markets its own software under the name of 'Post-it software note'. Wikipedia