But 3M has just launched a clever iOS app that allows you to photograph a bunch of Post-it notes, tap on-screen to select the ones you want to keep and then organize them on your iPhone or iPad ...

Tired of picking it up, he realized Silver’s adhesive was just what he needed to keep his bookmark in place. Voilà, the concept of the Post-it note was born, and the product launched in 1980. Two ...

But that hasn’t stopped the humble Post-it Note from becoming a ubiquitous fixture ... “This was none of those.” What he came up with were microspheres, which retained their stickiness ...