This article defines Twitter[TM]; outlines the features, affordances, and common uses; and conceptualizes "tweeting" as a literacy practice, comprising both traditional and new literacies, and impacting both informal and formal learning settings. Also provided is an overview of traditional and new literacies, and insights from a scan of the…

Online social networks are increasingly important information and communication tools for young people and for the environmental movement. Networks may provide the motivation for young adults to increase environmental behaviors by increasing their knowledge of environmental issues and of the specific actions they can take to reduce greenhouse gas…

All students today are increasingly expected to develop technological fluency, digital citizenship, and other twenty-first century competencies despite wide variability in the quality of learning opportunities schools provide. Social network sites (SNSs) available via the internet may provide promising contexts for learning to supplement…