http://www.artmob.ca/files/pdf-stc_digital_dilemma.pdf ;

DIGITAL TECHNOLOGY IS ALREADY PRODUCING SIGNIFICANT
benefits for the motion picture industry. As evidenced in image capture, visual
effects, mastering and final color grading; in sound capture, sound effects, and
sound editing and mixing; and in the continually increasing digital distribution to
theaters and other platforms, the digital era is not approaching – it’s here.
However, the changes have tended to arrive piecemeal, and so rapidly that the
industry has not yet had a chance to step back and consider the digital revolution
and its long-term implications as a whole. Even some of the artists who have been
the most evangelical about the new world of digital motion pictures sometimes
seem not to have thoroughly explored the question of what happens to a digital
production once it leaves the theaters and begins its life as a long-term (if all goes
well) studio asset