Ready for a computer on your wrist?

If you have a smartphone, you already have a computer in your pocket or purse. Now those phone companies and other have their eyes on your wrist.

Samsung and Sony are the latest companies to release smart watches and Apple is believed to be working on one as well. Some of the new watches answer the phone, monitor Twitter, run apps, and track your runs and workouts. Some even tell time.

Check out my column at for profiles of the Sony SmartWatch 2, Samsung Galaxy Gear, Pebble and Garmin Forerunner.

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