Remember also that producers of these shows often do have contact with members of the intelligence and defense communities who serve as official or unofficial advisors, at least so long as the depictions are acceptable to the establishment. Through these advisors, entertainment producers learn about secret programs long before the public. Kathryn Bigelow's Zero Dark Thirty is a particularly prominent recent example of how this works, and why it is a bad thing that results in "entertainment" which is very much a form of propaganda.