-
1450
The Printing Era
The dispersion of books became practical in the mid-1400s -
1500
Spread of the printing press
In the late 13th century and early 14th-century printing presses were spread across Europe. Books were still in large print and were rather large. -
The Electronic Era
The development of the telegraph around 1840 brought a whole new way to send and receive messages. It also benefited businesses, the military, and political leaders as it made sending and receiving information both safer and faster. -
The Telegraph
The telegraph was a technological breakthrough. It was the first way to send and receive messages faster than human travel. -
The Celluloid
This device allowed the film to be moved through a camera rapidly, taking pictures rapidly. These individual pictures could be viewed in succession to create the feeling of a "moving picture". -
Propaganda Technique in the World War
A study was done by Harold Lasswell that defined propaganda as "the control of opinion by significant symbols, by stories, rumors, reports, pictures, and other forms of communication. -
Radio Act of 1927
This act made it so that licenses did not own their channels but could use them as long as they operated to serve the public interest, convenience, or necessity. -
Subliminal Advertising
The supposed hidden or disguised print and visual messages that allegedly register only in viewers' subconscious minds, fooling them into buying products they don't need. -
Spiral of Silence Theory
This theory links mass media, social psychology, and public opinion formation. It also proposes that people who believe their views on controversial issues are in the minority will keep their views to themselves for fear of social isolation. -
Third-Person Effect Theory
This theory suggests that people believe others are more affected by media messages that they are themselves. -
The World Wide Web
Developed in the late 80s this enabled web users to access texts through clickable links rather than through difficult computer code. -
The Digital Turn
The mid-90s brought faster download speeds as well as more portable and powerful devices. This time changed how we consume media.