Students type answers into a chat room instead of raising their hands.
It seems Mr. Leary, who had already taken one economics course in the fall, was bored by the discussion of marginal benefit and cost. But no matter. This is a laptop classroom, where each student sits behind an open machine, sometimes posting answers to the professor's queries on a virtual chalkboard, sometimes, well, doing something else. Wake Forest is one of more than 100 colleges and universities across the country where a computer is now required to matriculate. He thereby freed class time for group exercises.