Creative Selection: Inside Apple's Design Process During the Golden Age of Steve Jobs

by Ken Kocienda

Demos were the catalyst for creative decisions, and we found that the sooner we started making creative decisions—whether we should have big keys with easy-to-tap targets or small keys coupled with software assistance—the more time there was to refine and improve those decisions, to backtrack if needed, to forge ahead if possible.

It's like that quote that says "break your design early"

Most people make the mistake of thinking design is what it [a product] looks like. People think it’s this veneer—that the designers are handed this box and told, “Make it look good!” That’s not what we think design is. It’s not just what it looks like and feels like. Design is how it works.7

At Apple, we never would have dreamed of doing that, and we never staged any A/B tests for any of the software on the iPhone. When it came to choosing a color, we picked one. We used our good taste—and our knowledge of how to make software accessible to people with visual difficulties related to color perception—and we moved on.

Not everything needs to be backed up by research. Sometimes designers can go off intuition