This - and the fact that branching out of phones/tablets/computes into cars or space exploration would be a pretty big jump industry wise. Everything they've built to-date has been an extension of either desktop and portable computing or Internet/networking/web technology. The one exception to this is their Music/Book/Movie business, but from my understanding those not only pale in comparison to their "physical" device sales, they are only done out of necessity to supply said devices.