Everything about this study is smart — the 10-14 year-old respondents (average age 11), what the authors are modeling for pediatricians and parents, and the tweens' answers. For example, when asked what age kids should be given mobile phones, one answer was: "It's not an age. I think it's more of a maturity thing," said one young respondent. Another's answer was, "Probably when they know … [Read more...] about Tweens are smart about smartphones: Study