Abstract
Online Social Network and its related applications have their strengths and weaknesses. Nevertheless, if properly employed or planned for use by organizations, Online Social Network may encourage, promote and facilitate organizational knowledge sharing and learning among employees. In this paper, the authors had reviewed eight articles to generate benefits of online social networking to give descriptions of available models of online social networking. In addition, this paper intends to provide future recommendation for this application which relatively a new area that need comprehensive research and documentation.