The main broadcast networks—ABC, CBS, and NBC—each have a news division that broadcasts a nightly news show. For the past fifty years, most Americans watched one or more of these broadcasts. Since the 1980s, however, cable news channels have chipped away at the broadcast networks. CNN and MSNBC both broadcast news around the clock. Because the cable news channels are always broadcasting news programs, many people who want to follow a story closely tune in to these stations first. The relatively new Fox network news program has also drawn numerous viewers away from the big three networks.
The other type of broadcast media is radio. Before the advent of television in the 1950s, most Americans relied on radio broadcasts for their news. Although fewer Americans rely on radio as their primary news source, many people still listen to radio news every day, especially during morning and evening commutes. Local news stations have a particularly large audience because they can report on local weather, traffic, and events.
The Internet is slowly transforming the news media because more Americans are relying on online sources of news instead of traditional print and broadcast media. Americans surf the sites of more traditional media outlets, such as NBC and CNN, but also turn to unique online news sources such as weblogs. Websites can provide text, audio, and video information, all of the ways traditional media are transmitted. The web also allows for a more interactive approach by allowing people to personally tailor the news they receive via personalized web portals, newsgroups, podcasts, and RSS feeds.
Weblogs—known colloquially as blogs—have become very influential since the start of the twenty-first century. Leading bloggers write their opinions on a variety of issues, and thousands of people respond on message boards. Although many blogs are highly partisan and inaccurate, a few have been instrumental in breaking big stories.
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