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Eras of Communication
Oral and Written Eras
Socrates (470-399 B.C.E) Believed oral
communication superior
Plato (427-347 B.C.E) wished to banish
poets for presenting ideas that were not
as challenging as ideas brought up in
face to face debates
The Electronic Era
Telegraph (1840)
Film (1900)
Radio (1920)
Television (1950 -1960)
The Print Revolution (1400-1500)
Paper & Block Printing (China 100- 1045)
Johannes Gutenberg (1399-1468)
Invented the moveable type machine
later known as the printing press.
Invention of the printing press produced a culture of nationalism and individualism.
The Digital Era (1970- present)
Personal Computer (1977)
Cell Phones (1983)
Internet (Commercialized in 1995)
Social Media (1969-2012)
The linking rings illustrate
the converging of innovation
overlapping into the next era.