Harris (University Laboratory High School, the University of Illinois- Urbana-Champaign) helps librarians, educators, and parents guide teens in making decisions about information in the world of texting, tweeting, chatting, blogging, and other social networking. This second edition integrates new material on social media technology and looks at how teens' social and intellectual development is tied to developments in communication and information technologies. The book offers commonsense advice on how to help young people make decisions about areas such as music and media sharing. It also provides tools for creating school and library policies and suggestions for dealing with problems such as hacking, harassment, and access to inappropriate content at school and library computers. Annotation ©2011 Book News, Inc., Portland, OR (booknews.com)