Augmented reality is the up and coming technology that mixes the real world with the virtual world. ViPodium uses Kinect technology to porudce a virtual fitting room to sample what clothes will look without having to put them on. And of course no technology would be complete if it did not have social functions so that you can share outfits with friends via Facebook.
Check out the demo vid:
While not perfect, it is still impressive as a user can turn around and view an outfit from all angles.