Since the early 90s when the patent for post it notes expired, companies have been producing sticky notes which meet ...
The post it note has been with us since 1980, thanks to the early research findings of Dr Spencer Silver at 3M in the United States. Originally known as press 'n peel, the post it note can now be found most classrooms around the world. How do you use yours ?
Since the early 90s when the patent for post it notes expired, companies have been producing sticky notes which meet ...