Just like Jules Verne's ideas on submarine in the book Twenty Thousand Leagues Under the Sea have turned out to be prophetic, the idea of a gestural interface in the movie Minority Report seems to have inspired many researchers and such a UX technology could be commonplace in the near future.
Scott Hanselman recently interviewed Johnny Chung Lee, a researcher in the Applied Sciences group at Microsoft who works with the Project Natal team. Project Natal is the code name for a hands-free motion-sensing technology by Microsoft for the Xbox 360 video game platform.
Science is hardly a topic on Indian prime time TV, but last Sunday the channel CNN IBN started a series called Superstars of Science which featured among other innovators, Pranav Mistry, who is working on a wearable gestural interface at MIT Media Lab.