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Bell was the first to obtain a patent, in 1876, for an "apparatus for transmitting vocal or other sounds telegraphically". Bellis, M. (n.d.). The History of the Telephone. About.com Inventors. Retrieved October 5, 2014, from http://inventors.about.com/od/bstartinventors/a/telephone.htm
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The modern version of the rotary dial with holes was first introduced in 1904 by Bell System. Rotary dial. (n.d.). Princeton University. Retrieved October 6, 2014, from https://www.princeton.edu/~achaney/tmve/wiki100k/docs/Rotary_dial.html
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The name pager was first used in 1959 when Motorola made a personal radio communications product Bellis, M. (n.d.). History of Pagers or Beepers - Inventors. About.com Inventors. Retrieved October 6, 2014, from http://inventors.about.com/od/pstartinventions/a/pager.htm
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The first hand-held cell phone was brought by John F. Mitchell and Dr. Martin Cooper (Motorola) in 1973, using a handset weighing around 2.2 pounds (1 kg). Strickland, J. (n.d.). Who Invented the Cell Phone?. HowStuffWorks. Retrieved October 3, 2014, from http://science.howstuffworks.com/innovation/inventions/who-invented-the-cell-phone.htm
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The IBM Simon went on sale to the public on 16 August 1994 and combined mobile phone technology with a wide range of computing features. World's first 'smartphone' turns 20. (n.d.). BBC News. Retrieved October 6, 2014, from http://www.bbc.com/news/technology-28802053
