Communication then and now

Contents 1. from the dial to the mobile-phone 2. from letters to s 3. from books to the Internet 4. Background to the German ´Telekom´ company

1. from the dial to the mobile-phone German physicist Johann Philipp Reis -> first telephone 26/10/1877 first telephone call in Berlin Werner von Siemens began to produce 200 telephones a day 1904 Wilhelm Quante -> Wuppertal first telephone box 1958 first radio network ( members) for cars (A- net) C-net -> portable apparatus ( members) 1992 T-D1

2. from letters to s - long history of letters -> before the birth of Christ - big companies s - w- with the invention of the Internet -> popular -Willkommen bei CSNET. -> first Internet 02/08/1984 letters

Examples for… LETTERS S

3. from books to the Internet - UNESCO defined 'book' - long history - Johannes Gutenberg - the only source to get detailed information - Advanced Research Project Agency - System 'Unix' WWW first web-browser

4. The History of (German) Telekom Foundation: 01/01/95 Four sub-corporations - in 65 countries worldwide a

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