COMMUNICATION EVOLUTION THROUGH TIME By Kallia Theiakaki 2 BCE SMOKE SIGNALS https://www.sahistory.org.za/article/oldest-forms-human-communication 1 BCE CAVE PAINTING https://www.britannica.com/art/cave-painting 776 MESSENGER PIGEONS https://www.scienceabc.com/eyeopeners/how-did-the-pigeon-post-work.html 900 MAN MAIL COURRIER https://rtdlogistics.com/8-interesting-facts-about-the-history-of-couriers/ 1838 TELEGRAM https://www.history.com/topics/inventions/telegraph 1849 TELEPHONE https://www.history.com/topics/inventions/alexander-graham-bell 1861 POSTAL CARDS http://www.libanpostcard.com/postcard_history.html 1937 RADIO https://www.history.com/topics/inventions/guglielmo-marconi 1973 MOBILE PHONE https://www.uswitch.com/mobiles/guides/history-of-mobile-phones/ 1986 INTERNET https://www.history.com/topics/inventions/invention-of-the-internet
