communication

  • 200 BCE

    Smoke Signals

    Smoke Signals
    Sending smoke signals along the Great Wall of China, inaccurate
  • Postmail

    Postmail
    People all over the world were able to write letters to each other, took lots of time
  • Telegraph

    Telegraph
    Invented by Samuel Morse using the morse code.
  • Landlines

    Landlines
    The first telephone was invented by Alexander Graham Bell in 1876
  • Dial Up internet

    Dial Up internet
    Invented in 1982 by university students, only one person can use at a time.
  • Facebook

    Facebook
    Facebook was invented by Mark Zuckerberg in 2004, many social media apps have been invented since.