Seminar paper from the year 2011 in the subject Business economics - Offline Marketing and Online Marketing, Management Center Innsbruck, language: English, abstract: This term paper is about Social Networks, Social Network Analysis, as well as its use in marketing and its history. Chapter 2 The Internal Power of Social Networks is about the question of what a Social Network is and about the History of Social Network Analysis. It also examines social networks in companies, the question of how executives can create energy in companies and the most common problems that typically come along with social networks in companies. Chapter 3 The External Use of Social Networks explains how companies can gain and maintain social capital and make use of the modern forms of social media. It also gives some general advise on the most popular social networking platforms.