I invented/designed the calendar holder for PC screens some years ago and own a design patent in the European union. 

When I made and designed this product I did so for the very simple reason that I thought it would be practical to have a monthly calendar on top of my PC screen that I could take reminding notes on. It of couse had nothing to do with the 9.11 attack.  

From own use I can say it is a helpful and good product and a supplement to cellphones and other products that help people remember things for people having a monitor in a home or office.

Seoul 5th September 2024 
Christian M. Borge