This book provides the latest research on social media use in education and politics. The book is essential for researchers in the fields of e-learning, educational science, ICT, and communication studies. Some chapters are about Moodle or Twitter in classes. Other topics are: Facebook in electoral campaign, efficient cooperation-procedures in web-based training, social media in teacher education, computer mediated social interactions in the educational groups, social media impact on learning. The problems of ACTA, SOPA and PIPA are also discussed.