While the user interfaces of technology found in futuristic TV shows and movies aren't necessarily practical, but they can often be cool. One example of this is the interactive UI of the computer in Minority Report, a movie in which mutated humans are able to predict - and thus, prevent - crimes from happening. The film is set in the year 2054, so obviously the computer that they're using must consist of what appears to be either a fairly translucent screen or hologram, and a UI that's manipulated by hand and finger gestures.
