Each week Ross Rubin contributes Switched On, a column about consumer technology.
Motorola's Droid RAZR takes enough pages out of the classic textbook of smartphone differentiation to assemble its own chapter. It sets a new standard for thinness in LTE devices, uses leading-edge display technology, resists flexing, glass breakage and water damage, has a striking design and thoughtfully selected materials, stretches battery life, matches with a bevy of optimized accessories, and enables remote file and media access via Motocast software . Who's