Medical user interfaces in games
zkirill.com
zkirill.com
Furthermore, there's a certain one-upsmanship in Hollywood in trying to show how advanced a society is by how many increasingly complicated gestures one has to perform to use the interface. Something tells me that a Minority Report style interface is more tiring and over the long run than a keyboard. Heck, there were people complaining that the Wii has similar issues with extended play of all these waggle games.