Increasingly, students are coming to class not just with paper and pen, but with a hand-held “CPS” device that looks remarkably similar to the television remote controls these youth have held in their hands since preschool. These remotes are part of the Classroom Performance System (CPS) made by eInstruction, a Texas company whose interactive wireless technology is showing up in elementary school to college classrooms throughout the U.S., as well as other nations.  

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