CUMMUNICATION TIMELINE By Anessa Ho Nov 7, 1546 drawing & writing Drawing and writing was invented in about 1546. Period: Nov 9, 1546 to Jun 29, 2007 Timespan Aug 3, 1620 sign language People invented sign language in the year 1620 Nov 11, 1653 Letters(1653) Nov 11, 1791 Morse code(1791-1872) Jan 1, 1870 Phone(1870 Jan 1, 1937 computer(1937 Jan 1, 1978 email(1978) Jan 1, 2003 Social networks ( Skype, Facebook, Twitter, Facetime etc) (2003) Jan 16, 2005 Laptop (16 Jan 2005 Jun 29, 2007 iphone The first iphone was invented in 2007
