Technology (as we know it) has certainly come a long way. The field of visual effects in film or other entertainment formats it is no different.
How many times have you went to see a movie or just watching television at home and thought, (How did they do that)?
If you are like any one else, this has probably occurred in your entertainment experience more than once. It seems now that the tech and the dream are one and the same. We can literally create the limits of our imagination in stunning realism and depth.