When it comes to technologies like digital games, simulations, and social networking, teachers and students may find themselves at cross purposes. Often, students find that these technologies, so prevalent in their lives outside of school, are unwelcome in their classrooms. Many teachers can tell stories about the disruptive influence of video games and social networks on their classrooms and schools. The authors have dedicated themselves to understanding the potential benefits of these technologies to teachers and students and to helping schools implement these technologies in ways that make sense. In this article, the authors present examples of how several applications can be used for the classroom. The authors also suggest tips for introducing these technologies to the classroom. (Contains 6 online resources.)