Reference List

https://www.youtube.com/watch?v=v94EH_cE7GY

http://inventors.about.com/od/tstartinventions/a/telegraph.htm

https://www.youtube.com/watch?v=iu0ztxdsFis

http://science.opposingviews.com/disadvantages-technology-communication-1821.html

http://www.tonyrogers.com/news/images/westernunion_telegram.jpg

https://storify.com/RoryP1/some-of-the-advantages-and-disadvantages-of-commun

http://thenextweb.com/media/2012/07/15/whats-the-future-of-communication-lets-ask-the-experts/

http://www.slideshare.net/anpipt01/the-future-of-communication-technology