It comes with PrimeSense's drivers and the NITE body tracking software. Asus has also announced a $20,000 competition for the best game using it. This is just a way to get some software to go with the full product launch later in the year but it is also going to set up an app store to help developers market their creations.
Microsoft's own Kinect SDK is technically better but it isn't available just yet and it could well have a restrictive license. At the moment only Asus is saying to developers — "use our hardware to make commercial apps, we'll even help you to sell them and here's a competition to sweeten the deal""
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