One of the most interesting invention stories involves the post-it note by the 3m company. Through sheer luck and ingenuity,two employees at the multinational company improve on a basic design and helped make the post-it note a household product around the world. Perfecting the post-it note involved a very complicated process. It look several attempt to come up with the appropriate adhesive. This involved experimenting with numerous chemicals,specifically the acrylate family of chemical.