Simplicity design axiom: The complexity of the information appliance is that of the task, not the tool. The technology is invisible.

If you think of the product as a service, then the separate parts make no sense - the point of a product is to offer great experiences to its owner, which means that it offers a service. And that experience, that service, comprises the totality of its parts: The whole is indeed made up of all of the parts. The real value of a product consists of far more than the product's components.

Readers always seem to think that the author has some control over the design of their books.

AS for all those mistakes I make - they are on purpose - to teach you how to deal with them

To me, error analysis is the sweet spot for improvement.

Am I an Apple bigot? No. I can critique their products and their customer service philosophy. But overall, they do better than any other player.

It is relatively easy to design for the perfect cases, when everything goes right, or when all the information required is available in proper format