Reminds me of Bret Victor's (ostensible maker of the iPad) post on interaction design:
http://worrydream.com/ABriefRantOnTheFutureOfInteractionDesi...
http://worrydream.com/ABriefRantOnTheFutureOfInteractionDesi...
Like, what did you do? Design the home screen? Design the vision of the machine itself? It's ambiguity taken to its highest extreme.
I really respect his work and publications though, no doubt that he made important contributions to the products he shows on his slides.