Where does the Apple minimalist zen-like Jony Ive design theme go from here? When you have reduced the physical dimensions of a device to basically the limits of the screen, where else can you go in it's physical design but become thinner and at some point that becomes irrelevant for most people. Is it possible that the current design theme might be reaching it's inherent limitations of visible progress? Larger Retina Displays? Thinner LiquidMetal Outer Casings?