In February of this year, Gates joined Facebook's Mark Zuckerberg and other tech titans in a video by nonprofit Code.org to encourage interest among young people in programming.
The Social Network, opening Oct. 1, is about the origins of the world's largest social network, Facebook, and its founder, Mark Zuckerberg, the Harvard tech genius who either came up with the idea or diabolically purloined it from his friends--depending on which version you believe.