The document discusses various methods of communication over the past 200 years, including the telegraph (1837), Pony Express (1860), telephone (1876), microphone (1876), mobile phone (1982), and the World Wide Web (1990). It provides a brief overview of when each method was introduced and by whom. The conclusion is written by Kevin Wu, Rhys Mcbreen, and Justin Yau, and bibliographic references are provided for each section.

1. What are the methods of communications over the past 200 years and how do they work?

2. The telegraph 1 January 1837 Samuel Morse

3. The Pony Express 3 April 1860 The Mailing Route

4. The Telephone 1 January 1876 Alexander Graham Bell Kevin’s Telephone

5. The Microphone 1 December 1876 Emile Berliner

6. The Mobile Phone 1982 Doctor Martin Cooper

7. The World Wide Web 1 January 1990 Tim Berners-Lee Rhys’ Internet

8. Iphone 4 7 June 2010 Steve Jobs

9. Conclusion By Kevin Wu, Rhys Mcbreenand Justin Yau

10. Bibliography http://www.cellphones.ca/news/post003011/ http://www.timetoast.com/timelines/67472 http://www.webbconsult.com/1800.html http://www.cclab.com/billhist.htm http://www.americanwest.com/trails/pages/ponyexp1.htm - Pony Express http://inventors.about.com/od/tstartinventions/a/telegraph.htm - Telegraph http://inventors.about.com/od/bstartinventors/a/telephone.htm - Telephone http://inventors.about.com/od/mstartinventions/a/microphone.htm - Microphone http://www.nethistory.info/History%20of%20the%20Internet/web.html - World wide web http://inventors.about.com/library/weekly/aa070899.htm - mobile phone

11. Rhys’ Bibliography http://technet.microsoft.com/en-us/library/cc786128(WS.10).aspx

12. Kevin’s Bibliography http://communication.howstuffworks.com/telephone.htm http://www.articlegarden.com/Article/Do-you-know-how-your-telephone-works-/69610 http://www.antiquetelephonehistory.com/telworks.html http://www.epanorama.net/circuits/teleinterface.html http://science.howstuffworks.com/question410.htm