The rapid change and competition in the business world is fundamentally challenging the workplace. Consequently, organizations have begun to adopt a continuous learning philosophy which has resulted in a rise in both formal and informal learning. As social media penetrates our everyday lives, organizations and human resource development professionals are looking at how to leverage social media tools to enhance workplace learning and development. Using such tools also fits in with current initiatives to move learning to a more employee-centered learning. This chapter explores a number of social media tools that can be used to enhance workplace learning and development. First, social media definitions in the workplace context are provided and discussed. This is followed by a discussion on challenges associated with the use of social media for workplace learning and development. A framework of social media effectiveness, grounded in the learning and training processes, is propsed in the chapter.