Did you heard about Gmail Motion which allows you to do all Gmail task simply by your gestures and body moments.
How it works :-
Gmail Motion uses your computer’s built-in webcam and Google’s patented spatial tracking technology to detect your movements and translate them into meaningful characters and commands. Movements are designed to be simple and intuitive for people of all skill levels.
Actually Gmail Motion is nothing but just a April fool prank from the Google.On 1st April Google told that it will bring a new way to do Gmail task and provided a video :-
At the end of video Gmail Motion link is given and when you open that link you will release that Google had made you April Fool.