a. Then, during the Industrial Revolution, the invention of the printing press made it possible to produce books and magazines quickly and cheaply.
b. The development of mass media has been driven by technology.
c. Today, the internet has revolutionised mass media, allowing people to access news and entertainment instantly from anywhere in the world.
d. In the 20th century, radio and television became popular forms of mass media.
e. The first form of mass media was the newspaper, which was invented in ancient Rome.