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The Boston Globe

Lifestyle

How young is too young for a cellphone?

A coveted device, a parental quandary

Second in a series of occasional articles on the impact of ubiquitous technology on ordinary life.

The first time Xavier Watch handled a cellphone or a computer he had just turned 4. Within weeks, he was browsing the Web on his father’s iPad and later his father’s iPhone, setting up his own music playlist and playing educational games.

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