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Evolution of Communications

  • Petroglyphs
  • Pictograms
  • Ideograms
  • Writing
    • Alphabet
  • Verbal
  • Printing
  • Pre-Electric
  • Telegraphs
  • Landline
  • Turntable / Phonograph / Gramophone
  • Radio and TV
  • Fax
  • Mobile Phones
  • Computers and Internet
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