The document traces the evolution of mobile phones from 1940 when the US Army used radio to communicate, to the first commercial mobile phone service in 1959 in the UK. It highlights milestones like the first portable phone in 1972, the first approved commercial cell phone being invented in 1983, and the introduction of early smartphones in 1997. The summary progresses to showcase how phones became mainstream by 2005 and the launch of iconic phones like the iPhone 3G in 2008 and Google Nexus One in 2010.
3. 1940
1940s: Horseback
The US Army Signal Corps communicate via radio in the field during wartime.
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4. 1959
1959: Commercial Model
Reginald Blevins, the Postmaster General of the UK, inaugurates the first radio telephone service for motorists.
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5. 1972
1972: Portable
A model shows off a unit that could dial into telephone systems, displayed at a London exhibition entitled, "Communications Today, Tomorrow and the Future."
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6. 1983
1983: Inventor
Martin Cooper is credited with developing the first cell phone approved for commercial use.
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7. 1988
1988: In the Field
Frenchman Frank Piccard calls in after taking Gold in the Super G at the 1988 Winter Olympics.
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8. 1997
1997: Ahead of its Time
Philips introduces an early attempt at a digital "smart phone." The unit, called "The Synergy" provided wireless access to e-mail, internet and faxes.
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9. 1999
1999: In Fashion
Mattel's Barbie is outfitted with pearls, a business suit and a cell phone.
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10. 2000
2000: High Tech
A concept product from Panasonic combines a game machine with a detachable hand unit which serves as a mobile phone and game control device.
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11. 2005
2005: Multiplicity
Fans at a Live 8 concert in Edinburgh brandish their phones.
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12. 2006
2006: Simple
A tourist uses his phone to photograph volcanoes in Indonesia.
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13. 2006
2006: Historic Moment
Palestinian students at a Ramallah University photograph physicist Steven Hawking, who has arrived to give a lecture.
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14. 2007
2007: Text is Next
Morgan Pozgar, 13, of Claysburgh, Pennsylvania, competes in the LG National Texting Championship at the Roseland Ballroom in New York.
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15. 2008
2008: The iPhone 3G
Steve Jobs unveils the latest generation of his revolutionary product. The 3G is faster and less expensive than its predecessor.
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16. 2010
2010: The Google Nexus One
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