Layered on top of that is Air Gesture.

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The Galaxy S4 also offers new forms of interaction, such as Air Gesture, which lets users navigate the phone without touching it, and Air View, which lets users preview, say, email content, by hovering their finger over the screen.

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Maduro also claimed the allegiance of Venezuela's army, calling it "the armed forces of Chavez" as he pumped his fist in the air, a gesture that was reciprocated by the defense minister watching from the gallery.

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When the judge declared that he would move forward with the arraignment, one man held his hands in the air in a "hallelujah" gesture.

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Users can easily browse and navigate through the Smart TV ecosystem using LG's four-mode Magic Remote, which acts as an air mouse with point and click, gesture commands, a scroll wheel and voice recognition.

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Dad said, and put one finger in the air what I now recognized as a Mr. Bones gesture.

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MotionTools also has built in gesture recognition that allows users to gently swipe their phone in the air to launch applications, skip through songs in a playlist, activate presentation effects, navigate the web, and much, much more.

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Soon gesture-recognition systems, which will read the occupants' hand gestures in the empty air, will supersede touch screens and capacitive switches, avoiding, among other things, greasy fingerprints on the controls.

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Maybe as some kind of compensatory gesture, the movies have also lately given us the President as cartoonish action hero: Harrison Ford in Air Force One, Bill Pullman in Independence Day--the Commander in Chief as somebody who can do a nice head butt.

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