Given the initial overwhelming positive reception, the leak was a good thing. Many of us would have initially criticized it for looking too fat, being too much like the competitors' squarish phones, not being Apple-like, etc. until we come to terms with it, which ALWAYS happens whenever a new, innovatively designed Apple product gets released.
Perhaps they should do a planned leak before every product release from now on.
Perhaps they should do a planned leak before every product release from now on.