Final answer:
Mainstream media refers to dominant media forms that reach a wide audience and have influence. Examples include television networks, major newspapers, and popular news websites.
Step-by-step explanation:
Mainstream media refers to the dominant forms of media that reach a wide audience and have significant influence on public opinion. Examples of mainstream media include television networks like ABC, CBS, and NBC, major newspapers like The New York Times and The Washington Post, and popular news websites like CNN and Fox News. These outlets often have a large reach and are commonly recognized as reliable sources of news and information.
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