Internal communication in organizations has been significantly changing under the influence of the latest advancements in the digital space. Recently published research suggests that the majority of companies use internal communication for a variety of purposes, including helping employees understand the business and providing performance information. This technical note examines the importance of social media used for internal purposes, provides relevant examples from companies taking leading positions in adopting social media technologies, and presents an overview of the existing internal social media tools that are commonly used in organizations.