Cell Phone By madisonlk18 Aug 13, 1300 Buttons were invented Sep 9, 1837 Louis Daguerre invented first portable camera Nov 22, 1876 Microphone was invented People use the microphone in the cell phone to talk to people over the phone. Period: May 16, 1901 to May 16, 2013 Cell Phone Jul 17, 1920 RCA communications and New York introduced first telex service May 21, 1950 The internet was invented Apr 3, 1973 Martin Cooper created the first moble cell phone Feb 21, 1993 Email was created
