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Five Stages of Communication

1. Oral - since the first "Eve" 200,000 BC

2. Pictographic - since Blombos ocher 70,000 BC

3. Written - since cuneiform 3500 BC

4. Printed - since Wang Chieh 868 AD

5. Electronic - since Morse telegraph 1844 A.D.

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revised 8/22/05 by Steven Schoenherr at the University of San Diego | pictures -->