1. Communication then and now

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

3. 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 (10.000 members) for cars (A- net) C-net -> portable apparatus (850.000 members) 1992 T-D1

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

5. Examples for… LETTERS E-MAILS

6. 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' - 1993 WWW first web-browser

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

8. Any questions???