We often hear about the online battles between social media users on contradictory beliefs, advocation, events feedback and petty viral arguments. They show their solidarity through the use of hashtags (#), that allow them to spread news quickly and keepit up dated. This article explores the concept of a social tagging or commonly known as hashtags in social media platforms, which supports, knowledge exchange, research, and networking opportunities for the social media community. Creating content is one of the virtues in social media platforms to advocate awareness among its users and followers. Past researchers of the study are discussed exponentially to provide a holistic view. Challenges faced by the social media users and social media platform providers are also mentioned in this paper.