Social media are media for social interaction, using highly accessible and scalable publishing techniques. Social media refers to the means of interactions among people in which they create, share, and exchange information and ideas in virtual communities and networks.1 People - especially young people - have friends, interact and present their profiles and themselves more and more via different social media. Status among young people is related to the number of friends on Facebook, the number of followers of your blog, etc. © Sven Hessle and the contributors 2014.