Now Playing: 10-26-12 Marketplace Tech Report

This weekend marks the opening of the much anticipated sci-fi film Cloud Atlas, and a lot of people are planning on seeing it. Many have already watched a good chunk though -- seven minutes worth. Not through illegal downloads, mind you, but with the help of a giant trailer released online by the film's studio. It's part of a growing strategy in the movie making business: use every technology possible to hype a film.