Starfire -- Bruce Tognazzini (Sun, 1994)
This classic corporate future vision video was the brainchild of Bruce Tognazzini (at the time of Sun Microsystems). Starfire looked ten years ahead to a day in the life of a knowledge worker in 2004.
See Adam Little’s Johnny Holland article, “Communicating UX Through Video: 3. Future Scenarios” for more examples of using video to present future scenarios.