In 2007, teens and many preteens were busy tapping out short texts on their phones, but texting in those days was cumbersome (press the 7 key four times to make an s). Most of their texts were with one person at a time, and most used their basic phones to arrange ways to meet up in person. Nobody wanted to spend three consecutive hours texting. After the Great Rewiring, however, it became common for adolescents to spend most of their waking hours interacting with a smartphone, consuming content from strangers as well as friends, playing mobile games, watching videos, and posting on social
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