There is now over 50 Million Xbox 360 and 5 million Kinect Worldwide

[dunno001]

mantlepiecek said:

10% adoption rate this early is pretty fantastic actually.

I hadn't actually thought about this until you said it. To launch a new accessory about 5 years into a system's life, getting a >10% attach rate alone would be good. To do this this fast, though, is phenominal!