Is your life so complicated that you must strap a small machine to your wrist, learn a new interface, and wear this device during almost all waking hours to avoid missing appointments?

Maybe not: Many of us stopped wearing watches years ago in favor of glancing at our phones.

But Samsung's Galaxy Gear is no ordinary watch. This $299 device, unveiled early last month, functions as both external monitor and peripheral for its new Galaxy Note 3 Android smartphone--the only phone officially compatible with it, although Samsung plans to add Gear support to such recent Android models as its Galaxy Note II, Galaxy S III and Galaxy S 4.

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