The document outlines major developments in communication throughout history, including a Neanderthal carving a picture on a mammoth tooth 45,000 years ago, Sumerians recording pictographs on clay tablets in 3500 BC, Johann Gutenberg inventing the printing press using movable metal type in 1450, the first communications satellite being launched in 1963 allowing live worldwide broadcast of the 1964 Olympics, and Tim Berners-Lee inventing the World Wide Web in 1990.

1. +
Great Movements In
Communication
By Elysia So

2. +
45,000 B
Neanderthal man carves a picture on a woolly mammoth tooth.

3. +
3500 BC
3500 BC
Sumerians record pictographs representing words on clay tablet.

4. +
1450
Johann Gutenberg
invents a printing press using movable metal type.

5. +
1792
Mechanical semaphore is invented in France.

6. +
1877
Thomas Edison invents the phonograph, a device to record
sound on a wax cylinder.

7. +
1924
Pictures are first transmitted over telephone lines.

8. +
1963
First communications satellite is launched, allowing worldwide
live broadcast of the
1964 Olympics.

9. +
1990
Tim Berners-Lee invents the World Wide Web.