How has the evolution of TV changed America?

As the nation became accustomed to getting its news and entertainment from television broadcasts, an industry bloomed that continues to support countless production workers. Small, local news TV stations, major broadcasters, and a sea of technicians, creative specialists and advertising professionals were hired to meet viewers' demands for more and better content. And as technology evolved, that content included live programming, on-site breaking news and international broadcasts. These brought the world into American homes, keeping viewers updated on breaking news from both down the street and across the globe. One could argue that America is more aware of its role in the global scene thanks to television [source: Mair].

But not every change brought on by mass adoption of TV has been a positive one. According to some sources, a modern child in a TV-equipped household will witness almost 1 million acts of violence before age 18, thanks to the seemingly endless stream of police dramas, action films and war movies that play across the screen. Likewise, some sociologists argue that increasing rates of eating disorders and body-image problems among young women -- and increasingly, men -- owe their origin to inaccurate portrayals of sex, beauty and relationships on television. Broadcasters and program producers argue that they simply create content that meets viewers' demands, regardless of the moral or societal implications. But that debate has raged for decades and shows no sign of slowing any time soon [source: Rushdie].

Television is a pervasive medium. Whether at home or in public, Americans encounter television screens and broadcast images in nearly every setting. Generations have grown up accustomed to getting information from TV, to the point where a small message, a politician's on-camera gaffe or a catchy jingle quickly becomes part of the national conversation. Whether this is a good thing or bad for America is a hot topic for debate. But both sides can agree: TV has brought massive change to the collective face, mind and heart of the nation.

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