We’re only a couple of years away, but Sony has done the unthinkable.  They have a created a hologram like those that you see in Star Wars and the like.  Called the Raymodeler (a prototype), this device is able to show full 3D without the need of glasses.  Granted the viewing area is small, but it really works.  Walk around the back and you’ll see the back of the person.  Granted they used 8 or more camera to do this, but it’s way better than what we have today.  Now if one was to do CG, they’d have to do so many renders that it would take forever to create.  You can see in the video that they have at 15 views to create the 3d.  They showed this thing off at Siggraph, but it didn’t seem like a lot of people were interested.  Weird.  Gotta say a lot of things we see in scifi movies are actually coming to life. Check out the video below to be amazed.