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| 1980s || {{w|1G}} is deployed.<ref name="Wireless communications first-to-second-generation-1g-to-2g"/><ref name="Introduction to the History of Computing: A Computing History Primer"/> Mobile phone technology starts to be released commercially.<ref name="History of Mobile / Cell Phone">{{cite web|title=History of Mobile / Cell Phone|url=http://www.radio-electronics.com/info/cellulartelecomms/history/mobile-cell-phone.php|website=radio-electronics.com|accessdate=29 July 2017}}</ref> Adding text messaging functionality to mobile devices begins.
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| 1990s || Mobile telephony revolutionizes telecommunications during the decade.<ref name="The Case of Cellular Mobile Telephony">{{cite web|title=The Case of Cellular Mobile Telephony|url=https://link.springer.com/chapter/10.1007/978-3-642-57548-8_4|website=springer.com|accessdate=21 August 2017}}</ref> {{w|2G}} Second–generation wireless telephone technology becomes available, <ref name="Tunable RF Components and Circuits: Applications in Mobile Handsets"/> bringing the first digital systems to be deployed.<ref name="History of Mobile / Cell Phone"/><ref name="Wireless communications first-to-second-generation-1g-to-2g"/> {{w|Mobile phone operator}}s start offering {{w|prepay mobile phone}}s. European and American networks start to split apart and compete against one another.<ref name="History of Mobile Cell Phones | The First Cell Phone To Present Time"/> The {{w|IBM Simon}} is introduced, being possibly the world’s first smartphone.<ref name="A BIG CHANGE FOR HUMANITY"/>
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| 2000s || [[w:Apple Inc.|Apple]] introduces the {{w|iPhone}}. [[w:Android (operating system)|Android]] operating system launches. {{w|3G}} technology starts deployment.<ref name="Wireless communications first-to-second-generation-1g-to-2g"/> Between 2000 and 2003, the mobile phone experiences two of the biggest changes in its physical configuration: The introduction of QWERTY keyboard by {{w|BlackBerry}} as a popular standard, and the arrival of LCD {{w|touchscreen}}s.<ref>{{cite book |title=Technical Innovation in American History: An Encyclopedia of Science and Technology [3 volumes] |edition=Rosanne Welch, Peg A. Lamphier |url=https://books.google.com.ar/books?id=aWGHDwAAQBAJ&pg=RA2-PA219&lpg=RA2-PA219&dq=%22prepaid+mobile+phones%22+%221990s%22&source=bl&ots=hcZC-gr1MZ&sig=ACfU3U1l9aOFhwH7hg0SMd3gT6FWyajTDQ&hl=en&sa=X&ved=2ahUKEwiy14z9paPkAhV3IbkGHSgYDb4Q6AEwFXoECAcQAQ#v=onepage&q=%22prepaid%20mobile%20phones%22%20%221990s%22&f=false}}</ref>
