This chapter provides an overview on new developments in marketing, highlighting the opportunities but also critically discussing implications such as data safety, social monitoring, and money laundering. One of the most important characteristics of social media is that it gives power to the consumer through user-created content that allows for multiple possibilities for evaluation to increase trust. Social media changes communication from one-directional to two-way interaction. Social media enables companies to engage directly with their target audiences. Social media is an essential tool of crowd-sourcing because it has the ability to reach a wide audience faster, less expensively, and more effectively. Unwarranted access to private information is a concern to anyone who uses the web. It is especially an issue when third parties gain access to information stored on social network platforms. In addition, most employees view their personal social media site pages as private.