Manual instructions are considered a design flaw in simple objects because good design should be intuitive and self-explanatory. If a user needs to refer to a manual to understand how to use a simple object like a door or a kettle, it indicates that the design is not clear or intuitive enough. The purpose of design is to facilitate use and when simple things become overly complex, the whole purpose of the design is lost.
How do designers improve their products to work around flaws in human logic? In The Design of Everyd...
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