1. CHANGES IN HUMAN INTERACTION THROUGH TECHNOLOGY Henry Green

2. TABLE OF CONTENTS Before the 20 th Century During the 20 th Century 21 st Century

3. BEFORE THE 20 TH CENTURY

4. First done through cave paintings (Before 3500 BC) Sumerians develop Cuneiform & Egyptians Develop Hieroglyphics (3500s BC) Phoenicians develop an alphabet (1600 BC)

5. Tsai Lun invented paper (105 AD) Paper Introduced to Muslim World (751) Chinese develop Wood Movable Type (1305) Metal Movable Type – Johannes Gutenburg (1450) Made reading more accessible. Before it’s inception about 30% were literate

6. First Long Distance semaphore telegraph line (1792) Joseph Henry Builds first electric telegraph (1831) Morse code is developed (1835) First long distance electric telegraph line Wood Pulp Paper produced (1844)

7. Electric Telephone exhibited by Bell and Watson (1876) Direct Dial telephone patented (1889)

8. DURING THE 20 TH CENTURY

9. Radio Signals Sent from Cornwall to Newfoundland (1901) KDKA began first ever Radio Broadcast (1920) First Television Transmission (1925) Bell Labs Produce Precursor to Cell Phones (1947) Full-Scale Commercial Television Begins (1947)

10. FIRST EVER TELEVISION DEMONSTRATION

11. First photocopier suitable for office use presented (1958) First communications satellite is launched (1963) First Email Sent (1965) Ancestor to fiber optics realized by Charles Kao (1966) First hosts of ARPANET are connected (1969) Computerized telephone switching system invented by Erna Schneider Hoover (1971)

12. PC Market is born (1976) Word is introduced (1983) Tim Berners-Lee and Robert Cailliau build the prototype WWW at CERN (1989) Waves Transmitted through optical fiber cable (1991) 4 Gbyte/s transfer speed First SMS Sent (1992) Mosaic Launched (First Graphical Web Browser) (1993)

13. Internet Radio Boradcasting Began (1994) Motorola StarTAC Cell Phone Introduced (1996) 32% of US population Ownes Cell Phone (1998) Napster P2P is Launched (1999)

14. 21 ST CENTURY AND BEYOND

15. First Digital Transmission by Satellite (2001) Myspace Launched (2003) Skype Launched (2003) Facebook Launched (2004) YouTube Launched (2005) Twitter Launched (2006)

16. WORKS CITED 1.http://www.mcsweeneys.net/articles/literacy-rateshttp://www.mcsweeneys.net/articles/literacy-rates 2.http://www.birth-of-tv.org/birth/assetView.do?asset=BIRTHOFTELEV19001___1109662224816http://www.birth-of-tv.org/birth/assetView.do?asset=BIRTHOFTELEV19001___1109662224816 3.http://www.multicians.org/thvv/mail-history.htmlhttp://www.multicians.org/thvv/mail-history.html 4.http://www.dpworkshop.org/dpm-eng/timeline/viewall.htmlhttp://www.dpworkshop.org/dpm-eng/timeline/viewall.html 5.http://www.pcworld.com/article/130207/article.html?page=0http://www.pcworld.com/article/130207/article.html?page=0 6.https://en.wikipedia.org/wiki/Timeline_of_communication_technologyhttps://en.wikipedia.org/wiki/Timeline_of_communication_technology