The Windows 8 Gesture Suite enables a touchless version of all touchscreen gestures in the new operating system.

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Next, we're shown a new application for the touchless gesturing system that XTR first debuted back in 2010.

ENGADGET: Hands-on with wireless, ultrasonic stylus and touchless gestures at MWC (video)

GestSure makes hardware and software that works with the Kinect to give surgeons a touchless interface for accessing records.

WSJ: A New Game for Microsoft's Kinect

Elliptic is the leader in ultrasonic touchless gesturing for consumer electronic devices.

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Ultrasonic touchless technology uses up to 95% less power than current camera image-based gestural systems, making it an attractive option for device manufactures around the world.

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