In this article, we evaluate works on electronic viral marketing using bibliometric analysis and systematic review in this paper. Our data reveal that there has been a substantial increase in research publications during the previous two decades. Viral marketing, social media, and word-of-mouth are some of the hottest subjects in this field. We inferred many issue clusters from this research, including influence, attitude, social network, and electronic word-of-mouth. This article also explores the implications and potential future directions of the research.
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