Ancient Humans' cave drawings communicate to us nowadays on what life was like back then.
Pictograms are symbols representing an object, concept, activity, place, or event. Pictograms were used by various ancient cultures all over the world since around 9000 BC.
Drums were used by early tribes of human civilization. Drums were used for ceremonies and rituals and for war.
The Alphabet is a very important form of communication and let to an even more important invention- writing.
Newspapers informed townspeople of what was happening and the latest news.
Morse code was developed by an American artist Samuel F.B. Morse, Joseph Henry, and Alfred Vail.
Radios are used to communicate with people over long distances. Radios changed the course of warfare because soldiers could talk to each other and tell them the situation.
The microphone is related to communication because of the way it can project. Radio stations use microphones and so do TV programs so that people can be heard and recorded. The microphone was invented by Thomas Edison and Emile Berliner and was first used in the first ever radio broadcast for a performance in the New York Metropolitan Opera House.
Soldiers used pigeons to communicate with each other. There were over 100,000 of them used throughout the war and proved to be effective with 95% of them reaching they're destinations.
The cell phone was official invented in 1973 but was not popular to the public until the mid-1980s.
The first text message was sent by Neil Papworth, a 22 year old test engineer for Sema Group in the UK.