Social media has rapidly taken its place among the important phenomenons of today. It has an important role in institutionalization and companies' financial effectivness in many fields. This chapter discusses concept, development of social media, investigations about social media in different continents, its relation with institutionalization, and its role in the banking sector in the process of globalisation. In this study, social media strategies of a global bank on different continents are empirically analysed. Obtained data sheds light on the relationship between the social and economic capital in today's world in an interdisciplinary platform.