| Short
Message Service |
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| • | Over 24 billion
in 2002 |
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| • | 100 million sent
on 2005 Lunar New Year Eve in |
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| China alone |
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| Problem |
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| • | Input is
difficult |
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| • | How to make
input easier? |
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| – | Make keystrokes
more efficient |
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| – | Ease cognitive
load |
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