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The first and part of the second paragraph of the Mass Communications Media section are POV and unsourced:
"Increased business competition and the introduction of econometric methods changed the business practices of the mass communications media. The business monopoly practice of media consolidation reduced the breadth and the depth of the journalism practiced and provided for the information of the public. The reduction of operating costs (overhead expenses) eliminated foreign news bureaus and reporters, in favour of presenting the public relations publications (news releases) of governments, businesses, and political parties as fact.
Refinements in measurement of approval ratings and audience size increased the incentive for journalists and TV producers to write simplistic material, diminishing the intellectual complexity of the argument presented, usually at the expense of factual accuracy and rationality."