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Wherify GPS Personal Locator for Kids is the first implementation of a well-conceived service that lets parents locate, track, and communicate with their children via a bulky, 4.2-ounce wristwatch with integrated GPS and wireless radio. When your child is wearing the Locator, you can determine his whereabouts via a Web- or phone-based service and call 911 if necessary. We quickly located someone nearby who was wearing the watch. The Locator addresses an important social issue, but at its current price level its for affluent early adopters only.