Cell phone use begins at age 10

 
Cell phone use begins at age 10
Yun Suh-young;   Oct 7, 2011
By age groups, 82.7 percent of elementary school students had cell phones, while 96.4 of middle schoolers and 96.6 percent of those in high school had them. Monthly phone bills averaged 27290 won ($23). Rep. Kim Choon-jin of main opposition Democratic ...
 
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