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Which of the following mobile devices possess? |
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How many hours a day use mobile devices?
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Do we use these mobile devices? |
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How much you spent on your mobile devices?
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What is your favorite mobile brand? |
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Have you ever recommended us to others? |
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Which do you prefer follwing models use to communicate with your friends, family, etc.? |
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What models follwing most used for work? |
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What follwing models most used to play? |
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At what age you had your first mobile device? |
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