Social Media Marketing (SMM)
As a result of Web 2.0 technologies’ development, the commercialization of social media in tourism is believed as one of the "mega trends" which brought the era of tourism 2.0. This study reviews and analyzes the extant social media related research articles which were published in A+ and A journals in tourism field. Based on a content analysis, this study found that four main topics in this field which are tourist behavior, user-generated content (UGC), social media marketing, risk management and DMO, and other related but not highlighted topics. Research findings thoroughly demonstrate the essential use of social media in tourism marketing strategy, and this study also shows a research agenda for further studies.