Social interaction can be interpreted as ties [53] or social interaction ties [50]. It comes from the social capital theory and has been manifested as the structural dimension of social capital [36]. Social interaction refers to a link established via reciprocity behavior between two actors [52]. It describes the linkages between people or units, and this is facilitated by social media [16]. In the social media context, all activities that actors participate in are based on the social media interaction ties. They have an impact on knowledge transfer because social media interaction ties provide channels for information exchange and facilitate them [53]. This can be also applied to the context of social commerce. Thus, social media interaction ties can play an important role in encouraging users to interact more and thereby making the transaction more social