As cell phones bulk up, how much is too much?

Even when it’s turned off, the cool cell phone of the moment–the slender, silver Moto Razr by Motorola–makes a statement: It knows what it is. The Razr has a collection of nice features, like a sizable screen, a decent camera, good battery life and Bluetooth for cordlessly communicating with a personal computer or a headset.

Yet the Razr is largely defined by what it is not. It stands apart from the industry drift toward making the cell phone into a digital Swiss Army knife, a supermarket of technology squeezed into a palm-size device that includes a typewriter’s worth of keys, and enough storage and software to accommodate everything from family photo albums to corporate presentations