Now the question may arise for you that is it possible for a designer not to design his product based on the user? Let me first explain a little about the mental model and then let’s go to the reasons why designers do not use the user mental model. Now the question may arise for you that is it possible for a designer not to design his product based on the user? Let me first explain a little about the mental model, then let’s go to the reasons why designers do not use the user mental model.“A ...