This article will be useful to HW & SW engineers who design customer facing aspects of products. Summary of Topics: Human Centered Design, The Design of Every

This article will be useful to HW & SW engineers who design customer facing aspects of products. Summary of Topics: Human Centered Design, The Design of Everyday Things Book, The Paradox of Technology, Learned Helplessness, Preventing Errors, Seven Stages of Action, Discoverability, Feedback, Conceptual models, Affordances, Signifiers, Mappings, Constraints, Consistency.