Sure, you can have a great idea and do everything right with it, but not see it succeed. I'm asking more about the corporate culture at Apple and more generally – is this sort of advocacy encouraged or discouraged, does it improve the chances of a new idea, that sort of thing.

I mean Apple has to see a good bit of value in prototyping things and letting people come up with new stuff, or they wouldn't have job positions with the title "inventor", right? Or is that just part of its self-image, and not really encouraged in reality?