CommunicationCommunicationthen then andand nownow

ContenConten

tsts1. fro

m

the dial to

the

mobile-

phone

2. from letters to

e-mails3. fro

m books to

the Internet 4. Background

to the German

´Telekom´

company

1. from the dial to the 1. from the dial to the mobile-phonemobile-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

2. from letters to e-2. from letters to e-mailsmails

- long history of letters -> before the birth of Christ

- big companies

e-mails

- with the invention of the Internet -> popular

-„Willkommen bei CSNET.“ -> first Internet e-mail

02/08/1984

letters

Examples for…

LETTERSLETTERS

E-MAILSE-MAILS

3. from books to the Internet3. 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

4. The 4. The HistoryHistory of (German) of (German) TelekomTelekom

Foundation: Foundation: 01/01/95

Four sub-corporations

- in 65 countries worldwide

a

Any questions???