Parallels and Fusion support advanced 3D graphics in a Windows virtual machine, whereas VirtualBox does not.

FORBES: Magazine Article

Fusion creates live 3D models of both people and objects, while Interactions adds a whole variety of recognizable gestures to the Kinect for Windows SDK ("push-to-press buttons, grip-to-pan capabilities, and support for smart ways to accommodate multiple users and two-person interactions, " says Microsoft).

ENGADGET: Kinect for Windows SDK gets significant update on March 18, includes Kinect Fusion and Interactions

The key functions of the MotionEngine are sensor fusion, calibration, 3D device motion, gestures, and cursor control, which are implemented with sensors from a variety of the leading MEMS suppliers.

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"You can log in, see the play and see people's reaction to it, " said Mark Duffy, 3D manager of Fusion Unity, the company that has masterminded the virtual link up.

CNN: Musicians aim to create virtual choir

Kinect for Windows is getting a big SDK update on March 18th to version 1.7 -- Redmond's calling it "our most significant update to the SDK since we released the first version" -- which includes the long awaited 3D object scanning application Kinect Fusion.

ENGADGET: Kinect for Windows SDK gets significant update on March 18, includes Kinect Fusion and Interactions

Sensor fusion enables the sense of depth available in 3D modeling, which is used for all modern design and construction, as well as the magic of special effects in movies.

FORBES: Why Sensors Are a Force of Context