Other places Daughter get nervous post it notes first sold voice very Revolutionary
Post-it Note - Wikipedia
Spencer Silver, an Inventor of Post-it Notes, Is Dead at 80 - The New York Times
Who Invented the Post-it Note? A History of Sticky Paper - Quality Logo Products
About Post-it® Notes: history timeline | Post-it® Brand
The 80s Cruise - On this day in 1980, Post-It Notes were first sold in the U.S. They were accidentally invented by a 3M scientist who was looking for a super-strong adhesive
Spencer Silver, an Inventor of Post-it Notes, Is Dead at 80 - The New York Times
History of Post-it® Notes | Post-it® Brand
The TRUE story of Post-It Notes, and how they almost failed - Idea to Value
Post-it Notes celebrates 3 decades of sticking to it
Who Invented Sticky Notes? | Wonderopolis
How a Failed Experiment Led to One of the Best-Selling Products of All Time | Inc.com
Post-it Note - Wikipedia
Post-it Notes | MNopedia
These five post it notes saved a move — The Inspired Office
The 'hallelujah moment' behind the invention of the Post-it note | CNN Business