hasanabbas1987 writes "It is revealed that Microsoft have added a very simple but useful feature in their upcoming Windows 8 OS. Simply called the “Picture Password”, it is an option which lets you set a certain set of touch-drawn lines to an image and these lines are drawn correctlyVoila! you computer is unlocked. The example picture above shows how it really works. There are 4 persons in the above shown picture and what you do is draw a line starting from the face of 2nd person and drag it all the way to the face of the 4th person and that is it, your picture password is ready." Link to Original Source
Seen on a button at an SF Convention:
Veteran of the Bermuda Triangle Expeditionary Force. 1990-1951.