Design is a funny word. Some people think design means how it looks.

But of course, if you dig deeper, it’s really how it works.

The solution is human-centered design (HCD), an approach that puts human needs, capabilities, and behavior first, then designs to accommodate those needs, capabilities, and ways of behaving. Good design starts with an understanding of psychology and technology. Good design requires good communication, especially from machine to person, indicating w

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