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"We've already gotten a pretty thorough rundown of the motion-sensing Xbox 360 add-on that Microsoft supposedly has in store for this year's E3, and it looks like the folks at Ars Technica have now pieced together a few more of the pieces and figured out exactly where the device might have came from. Apparently, the device has been around in some form as far back as CES 2008, where little-known upstart 3DV was showing off its own ZCam system which, according to Ars, was able to perform just about all of the functions that Microsoft's device is able to. That didn't exactly cause a huge stir at the time, but it was apparently enough to attract the interest of Microsoft, which reportedly went after the company shortly thereafter and seems to have finally gone through with the acquisition earlier this year. Coincidence? Maybe. But Microsoft's history is certainly pushing this one into the more-likely-than-not column."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2009/05/05/microsofts-motion-sensing-xbox-360-add-on-a-result-of-3dv-acqui/>