Microsoft Kinect

Kinect for Windows v2 brings you the latest in human computing technologies. Sensors such as the Microsoft Kinect are a further step toward the implementation of fully natural interfaces in which the human body becomes the controller. The device lets users provide commands to the machine via gestures and body poses as embedded hardware performs real-time processing of raw data from a depth camera, thus obtaining a schematic of a human skeleton comprising a set of bones and joints. Recognizing the position and orientation of bones lets the hardware identify poses and gestures, which can be mapped to commands for the machine.

According to Microsoft, 

"The sensor is physical device with depth sensing technology, a built-in color camera, as infrared(IR) emitter, and a microphone array, enabling it to sense that location and movements of people as well as their voices. With up to 3 times higher depth fidelity, the latest sensor provides significant improvement in visualizing small objects and all objects more clearly.The latest sensor and the SDK 2.0 take natural user interactions with computers to the next level, offering greater overall precision, responsiveness, and intuitive capabilities to accelerate the development of applications that respond to movement, gesture, and voice. "

You will able to develop applications in New and better scenarios in fitness, wellness, education and training, entertainment, gaming, movies, and communication.

References :
www.microsoft.com