A common hallucination inventers have is "a great product idea" is the only thing you need to produce a winning product.

These people, come to a product designer with "Here's this great idea" can you go off and make it happen.

And the problem with that is that there is just a tremendous amount of craftsmanship in between a great idea and a great product.

And as you evolve that great idea, it changes and grows.

It never comes out like it starts, because you learn a lot more as you get into the subtleties of it and you also find there is tremendous trade-offs that you have to make.

I mean, there are just certain things you can't make electrons do. There are certain things you can't make plastics do or glass do or factories do or robots do.

And as you get into all these things, designing a product is keeping 5000 things in your brain - these concepts - and fitting them all together and kind of continuing to push to fit them together in new and different ways to get what you want.

And every day you discover something new that is a new problem or a new opportunity to fit these things together a little differently.
And it's that process that is the magic.