Head to The Note Coffee in the heart of Hanoi and you will find the walls papered in Post-its in every colour. You can actually barely see the walls. Some have greetings, some offer philosophical ...

Post-it chemist Spencer Silver, who earned 37 patents while at 3M and was inducted into the National Inventors Hall of Fame for his achievements, died this month at age 80, 3M confirmed.

Did you know that Post-it Notes come in a color other than canary yellow? Well, I guess I'm just a traditionalist. I've only used yellow Post-it Notes for as long as I can remember. The other day ...