They do it late at night when their parents are asleep. They do it in restaurants and while crossing busy streets. They do it in the classroom with their hands behind their back. They do it so much their thumbs hurt.
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Is there such a thing as overuse of social networking tools?
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Spurred द्वारा the unlimited texting plans offered द्वारा carriers like AT&T Mobility and Verizon Wireless, American teenagers sent...
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