Windows 8.1 Hands free mode
Microsoft just demoed hands free mode in Windows 8.1 – an innovative new way to use your hands to move the screen left and right using the camera.
In the video, Julie Larson Green demoed a real world scenario of wanting to avoid getting your hands dirty during cooking.
In this example, hands free mode allows the chef to move the screen left to right by video recognition.
Read more: http://www.windows81.com/2013/06/new-killer-feature-in-windows-8-1-hands-free-mode/#ixzz2YHT7SUX4