1. Cellular Devices EDUC 7101-3/8841-3 Tara Hatley Walden University Dr. Glenn Shepherd

2. Need Need for emergencies Need for location of user (jobs, business, etc.) Need for business calls Will be difficult to replace

3. Research

4. Shows that the cellular device emits radiation We cannot use the cellular device without radiation Radiation causes cancer

5. Development The history of mobile phones begins with early efforts to develop mobile telephony concepts using two-way radios and continues through emergence of modern mobile phones and associated services.mobile telephony mobile phonesassociated services Radiophones have a long and varied history going back to Reginald Fessenden's invention and shore-to-ship demonstration of radio telephony, through the Second World War with military use of radio telephony links and civil services in the 1950s, while hand-held mobile radio devices have been available since 1973.RadiophonesReginald FessendenSecond World War

6. Commercialization First commercialized in the 1980’s Motorola’s DynaTAC 8000x was recognized as the first commercial cellular phone Early cell phones were unique because they simply allowed people to communicate wirelessly in a vast area Consumers bought, Despite the cost

7. Consequences Upgrading to new cellular devices Parents purchasing have increased More children have cellular devices Videos, pictures, text messaging, games Miscommunication Addiction Lost signals

8. References Edwards, Benj. 2009. Evolution of the Cell Phone. PC World. Retrieved from http://www.pcworld.com/article/773033/evolutionofthecellph one.htmlhttp://www Koomsin, Puripong. 2007. The Evolution of Cell Phones. Ezine Articles. Retrieved from http://ezinearticles.com/The-Evolution-of-Cell- Phones&id=830417 http://ezinearticles.com/The-Evolution-of-Cell- Phones&id=830417 Schorn, Daniel. 2006. Cell Phones: Evolution or Revolution? CBS News. Retrieved from http://www.cbsnews.com/stories/2006/06/08/gen tech/main1695876.shtm http://www.cbsnews.com/stories/2006/06/08/gen tech/main1695876.shtm

9. References www/.americaned/TED/cellular.htm Bauman, A. http://hst250.history.msu.ed/wiki- online/index.php/The_History_and_Evoluti on_of_cellular_phones http://hst250.history.msu.ed/wiki- online/index.php/The_History_and_Evoluti on_of_cellular_phones Rosen, C. http://www.thenewatlantis.com/publication s/our-cell-phones-ourselves