When various media in their entirety mark how we articulate our social worlds, we need an approach of mediatization research that reflects this transmediality. To develop such an approach, the article first discusses the “institutionalist” and “social‑constructivist” traditions of mediatization research. Both traditions concur in their understanding of mediatization as being a concept to capture the interrelation between the change of media and communication on the one hand, and the change of culture and society on the other hand.