摘要：Canavilhas affirms that the access becomes global as the information is available on the web; databases enable search processes to accelerate and become more refined. Emery and Emery claim that whenever a mass of people has been neglected too long by the established organs of communication, agencies have been devised to supply that want. Korten writes that television has been wholly colonized by corporate interests. Curran and Seaton point out that many items of news are not "events" at all.
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