HTML5: has input device: use motion detection been included?

HTML5: has input device: use motion detection been included?

many laptops, mobiles and other devices come with cameras at this time.

motion detection offers some potential accessibility benefits, and the  
opportunity to appear and play in game spaces.

I raised this issue before on this list , but received no response:
http://lists.w3.org/Archives/Public/public-webapi/2007Dec/0056.html

Apple Bug ID 5653030: iSight internal: motion detection
	'Thank you for the suggestion. Will explore opportunities."
email.

also raised recently with Ron Festejo, game developer, eyetoy, Sony.

more background detail on the webkit bug:
https://bugs.webkit.org/show_bug.cgi?id=16474

regards

~:"

Eric Carlson, whk prompted me to raise this once again.