The new Kinect for Microsoft Xbox 360 allows you to do just that. But there are also big implications for the movie and music industry as well as business and medicine.
To check out the Kinect system, click here.
To see video of the technology, check out the report by CNN's by clicking here.
Also Microsoft announced 17 new games that will debut with the Kinect. Check them out here.
And to see the live segment as it aired with Ali Velshi on CNN, click here.