It is relatively easy to design for the perfect cases, when everything goes right, or when all the information required is available in proper format
Donald A. NormanA big ethical question is what happens after people stop using the device. Does it degrade the environment? Could it have been designed so it would actually be good for the environment?
Donald A. NormanAny time you see signs or labels added to a device, it is an indication of bad design: a simple lock should not require instructions.
Donald A. Norman