Golden Globe-winner Her  is a futuristic love story starring Joaquin Phoenix  as a lonely introvert and Scarlett Johansson  as the voice of a highly intelligent operating system. While today's tech isn't quite as advanced as the one in the film (out in theaters now), we'll show you how to take full advantage of the voice-operated digital assistant in your own pocket — Siri. She's more capable than you think! In the video, find out how Siri can help with managing email, staying hands-free in the car, and . . . pub trivia.