Here's an introduction to Facebook marketing. "People influence people. Nothing more than a trusted friend. A trusted referral influential people more than the best broadcast message. A trusted referral is the Holy Grail of advertising. "- Mark Zuckerberg Facebook is no longer a foreign word for most people. But what exactly is Facebook and what opportunities does Facebook offer in terms of marketing? First Facebook General Facebook is a social network developed in 2003 by Mark Zuckerberg. Initially, it was only accessible as an online platform for Harvard University students. But just a year later, Facebook was also made accessible to non-students. Meanwhile, Facebook has become a social network, as we know it today. This year Facebook has counted around 2 billion active users worldwide. Of these, 30 million are active users from Germany, which corresponds to around one third of the total population in Germany. Statista's graph below shows how the 2