28. Unlike the telegraph, the telephone was revolutionary because it allowed people to communicate in real time
over vast distances.
29. The development of photography meant that during the Civil War many people got their first glimpse of the
actual horrors and casualties of war.
30. Advances in photography and printing allowed the creation of photojournalism, which ultimately changed
the concept of news itself.
31. The development of the motion picture had a great impact on the entertainment activities of the general
public.
32. The first mass medium bringing music, news, talk, and sports into people’s homes was radio.
33. With the set on for an average of eight hours per day, watching TV occupies more time than any other
activity outside of work and sleep.