All the gear you should be packing when you hit the road this season, from a "life-proof" camera to the latest crop of selfie-snapping drones, including one that "boomerangs" when you fling it from your wrist; from a device that turns your cell phone into a walkie-talkie to tiny trackers for your keys and luggage (and kids?); from an artificial-intelligence planner bot to the latest in tablets on the high end and the low.
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