One professor uses the book in conjunction with an experiment she calls an “e-media fast.” For twenty-four hours, each student must refrain from electronic media. When she announces the assignment, she told me, 90 percent of the students shrug, thinking it’s no big deal. But when they realize all the things they must give up for a whole day—cell phone, computer, internet, TV, car radio, etc.—“they start to moan and groan.” She tells them they can still read books. She acknowledges it will be a tough day, though for roughly eight of the twenty-four hours they’ll be asleep. She says if they
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