Being literate in the 21st century means being able to function in and leverage the potential of collaborative, transparent online groups and networks. Before educators can help their students make the most of this powerful potential, they need to understand that the willingness to share one's work--and to some extent one's personal life--fosters…

This study explores the potential of networked handheld computers to support collaborative problem solving in small groups. Drawing on data from a middle school mathematics classroom equipped with a wireless handheld network, I argue that the sharing of mathematical objects through interactive devices broadens the "bandwidth" of classroom…