Gadget Ogling: A Tracking Camera Drone, a Rockin' Speaker and a Water-Boiling Efficiency Expert

Camera drones certainly are growing in popularity -- or further polluting the sky, depending on your perspective. A new model plans to follow your every move, thanks to a tracker on your wrist. After you throw Lily, it will fly up to 50 feet in the air and 100 feet away from you, knowing where you are and keeping its lens focused on whatever you're doing. A smartphone app helps you adjust the camera angle, and has two cameras to boost the number of possible angles.

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