-History of Mobile Phones. -How many People Using Smartphone? -Number of smartphone users worldwide from 2014 to 2020 (in billions) -What People Think about Mobile Phone Technology? -Percentage of usage of Mobile Phones While doing Another task -Where People place their Phone while Sleeping? -Some other Interesting Stats -Advantages & Disadvantages of Using Mobile Phones

1. V.S.Gunasekara
ICT/12/13/015
3051
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Mobile Phones

2. History of Mobile Phones
• Alexander Graham Bell invented telephone and 1878
he made the first phone call.
• Motorola introduced some of its first cell phones
during the 1980s.
• No internet, No SMS, No Touch Screen, No GPS, No
Video, No Camera, No Music, No Bluetooth
• The first Smartphone was developed by IBM &
BellSouth which came out to in public in 1993.
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3. History of Mobile Phones
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4. How many People Using Smartphone?
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5. Number of smartphone users worldwide from 2014 to
2020 (in billions)
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6. What People Think about Mobile Phone Technology?
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7. Percentage of usage of Mobile Phones While doing
Another Tasks
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8. Where People place their Phone while Sleeping?
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9. Some other Interesting Stats
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10. Advantages of Using Mobile Phones
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11. Disadvantages of Using Mobile Phones
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12. Thank You
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