David Parry started using Twitter with his University of Texas at Dallas students in 2007. A teacher at Hope Charter School in Philadelphia, PA taught his students to mark themselves present and record their in-class accomplishments on the site. Penn State professor Cole Camplese maintains a screen full of his students' Twitter streams throughout each class.
Laymen have replaced trained experts as the people who define what's true in our world, and some educators are embracing the...
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