The telegraph was created because it was to a system that allowed country or any one or even places to communicate with anyone.The telegraph was created in the 1830 and the purpose was that you could write a letter, and the speed was as fast as a  horse could go or in modern times how fast the ship could go. the telegraph is the tool that makes the telegrams,  why Telegraphs  were an import invention is because it was a tool that let people communicate with people around the world even though it was not the fastest way but you can write letters to people that are in different countries even thought it gets transported over a period of time it is he fastest mode at that period of time. The reason it changed the world and communication ways because we could come in contact with people around the world.

The telephone was first introduced in the 1947. it was created by 6 men and it was allowing people from different people in different places around the world to come in contact through voice and instant. but the inventor of the wireless cell phone was created by Martin Cooper. Also the first man to come up with the idea of the practical phone is Alexander Gram Bell. At  first there had to be someone connecting your calls to the person you wanted to call. later on it was changed and the media has totally took the phone and cell phone too a whole advertising spectrum using the media because the phone is the biggest media device. Cell phones is one of the most know thing because of advertising. The advantages of having a phone when they were first introduced were great because of the war happening it made it easier for people to come in contact. The size of the cell phones were very Large to compared to the ones we have now. In todays world cell phones are made around the world and parts are shipped to different places were as back in the 1950's they were just made in one place.