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A media conglomerate, media group or media institution is a company that owns large numbers of companies in various mass media such as television, radio, publishing, movies, and the Internet. :"Media conglomerates strive for policies that facilitate their control of the markets around the world." is a modern generalized description.〔Moglen, Eben, Michael Pertschuck, and Scott Sherman, (1999). "Editorials" (''Nation'', 269: 18). p. 12. ISSN: 00278378〕 Media conglomerates exist in Europe and Asia, as well as Latin America. As a legal construct a media conglomerate has become a standard feature of the global economic system since 1950. ==Terminology== A conglomerate is, by definition, a large company composed of a number of smaller companies engaged in seemingly unrelated businesses. It is questionable whether media companies ''are'' unrelated, . The trend has been strongly for the sharing of various kinds of content (news, film and video, music for example). The media sector is tending to consolidate, and formerly diversified companies may appear less so as a result. Therefore, the term media group may also be applied, however it has not so far replaced the more traditional term. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Media conglomerate」の詳細全文を読む スポンサード リンク
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