a window playing a video would automatically go fullscreen when you move further from the screen

the notifications are displayed fullscreen when the user is not in front of the monitor so they can be read from a different location

And these are just a few ideas but this can go even further.









This concept is described by Christian Giordano @ Canonical Design blog. Christian also posted a video mockup of this concept, in which he uses "computer-vision", a face recognition library:

Despite it could be hard to detect the horizontal position of the user’s head without a camera, we are in no way defining the technology required. The proximity could be in-facts detected with infra-red or ultra-sound sensors. - Christian Giordano

Here is a very interesting concept: what if your computer could detect your presence and: