 The film took five years to complete. Its credits acknowledge  efforts and support of over 300 people and organizations. Crews shot  in 23 cities in 7 countries over a period of 4 years. The film was  edited from over 120 hours of original and archival footage.  Archival images were culled from 185 sources. [from an insert] A  statistic: In North America there are: 7 major movie studios and  more than 1,800 daily newspapers, 11,000 magazines, 11,000 radio  stations, 2,000 TV stations, 2,500 book publishers. 23 corporations  own and control over 50% of the business in each medium. In some  cases they have a virtual monopoly.