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aren't suggesting that "hyper-texting" leads to sex, drinking or drugs, but say it's startling to see an apparent link between excessive messaging and that kind of risky behavior

It found that about one in five students were hyper-texters and about one in nine are hyper-networkers — those who spend three or more hours a day on Facebook and other social networking websites.About one in 25 fall into both categories.

Hyper-texting and hyper-networking were more common among girls, minorities, kids whose parents have less education and students from a single-mother household, the study found.

What if, indeed. After studying the matter, Ms. Davidson concluded, “Online blogs directed at peers exhibit fewer typographical and factual errors, less plagiarism, and generally better, more elegant and persuasive prose than classroom assignments by the same writers.”

Ms. Davidson cites the elite Socratic system of questions and answers, the agrarian method of problem-solving and the apprenticeship program of imitating a master. It’s possible that any of these educational approaches

A classroom suited to today’s students should deemphasize solitary piecework. It should facilitate the kind of collaboration that helps individuals compensate for their blindnesses, instead of cultivating them. That classroom needs new ways of measuring progress, tailored to digital times — rather than to the industrial age or to some artsy utopia where everyone gets an Awesome for effort.

no obvious shape or thickness.

"haptic dissonance"