TECHNOLOGY and communications
TECHNOLOGY and COMMUNICATION4000 Years in 14 Minutes!!
Raj Badarinath1How people communicate
one to oneone to many2Early yearsFlutes and horns
3Talk, paint on caves
4And send smoke signals
5Carrier pigeons
6Who are these guys?
7The beginning of paper 3000 BC in EGYPT
papyrus8Woodblock printing 220 BC In CHINA
9Gutenberg and Printing Press 1400s in EUROPE
10Telegraph 1800s in EUROPE
11Grandfather of email telegram
12Telegraph = email of 1800s!Prior to the electrical telegraph,
very small amounts of information moved only as fast as human or
animal could travel: only a few miles per hour.
The telegraph made communication much easier over vast areas of
land.13At the end of 19th centuryYOU COULD:TALK FACE TO FACEWRITE
ON PAPERPRINT BOOKSSEND A TELEGRAM
14The Last CenturyEmergence of the Modern Telephone
15New ways to communicate!16Some early telephones - 1900
17Thanks toAlexander Graham Bell
18Radio broadcast
19Television t.v. in the 1930s
20the future in 1939
At&t picturephone21At the end of 1950YOU COULD:TALK FACE TO
FACEWRITE ON PAPERPRINT BOOKSSEND A TELEGRAMTELEPHONEBROADCAST ON
RADIOWATCH TV SHOWS
221950 - NOWComputers & Internet
23New ways to communicate!24Internet many to many
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26Websites!
27Satellites: tv and radio
28Car phones
29Big as a brick! early cell phones
30Phones today
31SO, At the end of 2000YOU COULD:TALK FACE TO FACEWRITE ON
PAPERPRINT BOOKSSEND A TELEGRAMMOBILESATELLITE RADIOTV SHOWS VIA
CABLE, BROADCAST AND SATELLITE
WEBSITES
32NOWWeb 2.0
33INSTANT message: ONE OR MANY AT A TIME
34New ways of sharing with many
BLOGSSOCIAL APPS
35Online Avatars
36SO, At the end of 2008WEBSITESBLOGINSTANT MESSAGESOCIAL
NETWORKINGYOUTUBEONLINE AVATARS
YOU COULD:TALK FACE TO FACEWRITE ON PAPERPRINT
BOOKSTELEGRAPHMOBILESATELLITE RADIOHI-DEF TV SHOWS
37RAJ DOT BADARINATH @gmail.comThank You! Youve been Great!
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