Say what you want about Apple vs. Samsung and what it reveals about the state of the U.S. patent system, but when it comes to revealing the history of Apple's iPhone and iPad design process, it's turning into the biggest historic win to date. Dozens of prototypes, which might have spent years, decades, or an eternity locked up in the vaults beneath Apple's design labs, have now been presented into evidence, showing us more clearly than ever how iOS devices evolved, which ideas Apple ran with, and which ones they shelved.