Forward-thinking. It's ironic that Apple's marketing slogan for the iPhone 5s invites us to look ahead to the future when, from the outside, the device looks like a carbon copy of last year's model, the iPhone 5. But just like any other odd-year iPhone -- the "S" version, if you will -- the 5s plays the Transformers card by offering more than meets the eye, with a few key improvements on the inside.
Though it's easy to dismiss this handset as iterative, the 5s is the first sma
