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Explore the transformation from letters to emails, dial phones to mobile phones, and books to the Internet through historical milestones and technological advancements. Learn about German Telekom's background and growth as a global company. The journey from traditional forms of communication to modern digital platforms showcases the evolution of how we connect and interact.
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Communication then andnow
Contents 1. from the dial to the mobile-phone 4. Background to the German ´Telekom´ company 2. from letters to e-mails 3. from books to the Internet
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
2. from letters to e-mails letters • 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
Examples for… E-MAILS LETTERS
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
4. The History of (German) Telekom Foundation: 01/01/95 Four sub-corporations - in 65 countries worldwide a
