This volume contains the following papers: (1) Beyond Computer Literacy: Supporting Youth's Positive Development through Technology (Marina Umaschi Bers); (2) Educational Technology, Reimagined (Michael Eisenberg); (3) Children as Codesigners of New Technologies: Valuing the Imagination to Transform What Is Possible (Allison Druin); (4) Content Creation in Virtual Worlds to Support Adolescent Identity Development (Laura M. Beals); (5) Youth as Content Producers in a Niche Social Network Site (Christine Greenhow); (6) YouTube as a Participatory Culture (Clement Chau); (7) Making Projects, Making Friends: Online Community as Catalyst for Interactive Media Creation (Karen Brennan, Andres Monroy-Hernandez and Mitchel Resnick); (8) Augmenting Your Own Reality: Student Authoring of Sciencebased Augmented Reality Games (Eric Klopfer and Josh Sheldon); (9) Developing Technological Initiatives for Youth Participation and Local Community Engagement (Leo Burd); (10) "MXing It Up": How African Adolescents May Affect Social Change through Mobile Phone Use (Christopher M. Napolitano); and (11) El Silencio: A Rural Community of Learners and Media Creators (Claudia Urrea). An index is also included.