Computer Scientist Bill Joy.

The elusive actor tells Fresh Air about his new film, Her -- but he insists he's not really that interesting. "If I was driving and I heard this, I'd change the channel," he says.

The film Her, written and directed by Spike Jonze (Being John Malkovich), follows a lonely man who falls in love with a computer operating system. Critic David Edelstein says it's the best film of the year by far. (Recommended)

Bill Gates is chief executive and co-founder of Microsoft, the world's largest software company. Microsoft has made Gates rich and famous, and has earned him a reputation as a computer visionary. Gates recently wrote the book The Road Ahead (Viking). Gates explores the new, growing technology and how it will effect people's lives, including the realms of education, politics, and business. Gates says that he does not "necessarily have all the answers, but the book is my way of getting us all to start thinking about the opportunities and challenges ahead."