This a presentation on Future of Technology and giving one a perspective how the world would change. If you want to download this, mail me at hitesh.analyst@gmail.com
4. Invention of Telephone
Alexander Graham Bell.
Built the first telephone in
1876, in the state of
Massachusetts, in the
United States.
Transmissions of sounds at
the distance using the
electricity.
6. In the 1970s, the very first cordless phones were introduced.
Teri Pall invented a version of the cordless phone in 1965
7. -The first official mobile phone used by
the Swedish police in 1946
-1983
Motorola DynaTAC 8000X made
commercially available: 2 lbs, $3,500