As expected, the iPhone 4 was announced today during Steve Jobs’ keynote at WWDC. Its flagship features are, of course, the extremely high resolution screen, video chat capability with FaceTime, and the sexy new form factor. But there’s more to the 4 than that, and even those seemingly self-explanatory new features deserve a closer look. Let’s see just what Apple’s done here with its biggest update to the iPhone since the original.
