New technologies have continued to transform the
mass media since 1960s. Communications satelites have made instantaneus global
communication a reality. During 1970s, cable Tv became a popular alternative to
broadcast television, the first home videocassete recorders nad prerecorded
tapes appears, and video games and personal computers were introduced. Compact
disc, laser disc, teletext, and videotext also made their debut during the
1980s. The communications revolution that began in the 19th century
shows no signs of slowing as new technologies, such as fiber optics and high
definition television, continue to appear.
In the 20th century the
mass media have also been charactrized by a movement toward concentrated
owneship. Increasingly, more and more media of all types are own by fewer and fewer persons or
corporate entities. Media firms are often called “empires”. The largest are
enormous conglomerates, , with multinational, multimedia holdings that are used
in combination to increase sales.
Advertising contributes to the
content of mass media while, at thesame time, it supports them. Most US
newspaper and magazine publishers and radio and television stations make their
profits from the sale of space or time to advertisers. In other words, the
“products” that these media create and sell are audiences. The cost of buying
space or time is added to the price of an advertiser’s goods or services
(although teoretically, increased sales a result of advertising should result
in lowered prices). A medium’s dependence on advertising may force it to
concentrate on attracting larger audiences rather providing better content.
Advertising may also influence
media content : a magazine that runs cigarette ads may not be enthusiastic
about printing an article on the dangers smoking. Morover, the distinction
between advertising and other types of content is not always clear. Advertisers
have found ways to work their products into news reports, movies, television
programs, and even specialized media directed at schools.
The mass media are the most
effective means of disseminating information to large number of people with in
a short period of time. It is possible, claim some experts, that the media
inundate people with more information than they can process effectively, making
them feel anxious and powerless. Information in U.S. mass media often takes the
form of entertainment, which draws the largest audiences and is therefore the
most profitable. Media critic Neil postman argues that in trying to make all of
their messages entertaining, the mediatrivialize serioud subjects, such as the
news, politics,and religion.
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