Summary of Don Norman's The Design of Everyday Things Revised and Expanded Edition

Excerpt From Summary of Don Norman's The Design of Everyday Things Revised and Expanded Edition



#1



Doors should not be difficult to open. If they are, it could be a sign of a poorly designed product.



#2



The doors in the story illustrate what happens when discoverability and understanding fail. In this case, the designer failed to make the supporting pillars and hinges visible, which made it impossible for the user to know what action to take, making the device completely unusable.