The perpetual connectivity made possible by twenty-first-century technology has profoundly affected instruction and learning. Emerging technologies that upend traditional notions of communication and community also influence the ways we design and evaluate instruction and how we understand learning and learning environments. In "Instruction and…

Over the last decade the daily experience of adolescents has been transformed by developments in electronic media, including the computer, the Internet, and cell phones. Relative rarities only a generation ago, they are the daily tools of communication, information, and amusement for a majority of adolescents. Beyond access, content and…