Thoughts about the differences between a user's mental model and a designer or a developer's mental model.

I feel agile and waterfall are almost the same, only they're used in inappropriate contexts. It's a human problem, not a process problem.

Trying to pinpoint when designers typically move into over-optimization land... Unsuccessfully.

Trying to differentiate the intelligence required to do something from the care required to do something.

Exploring some of the differences between: "The Customer is Always Right" and "The Customer is Never Wrong"