“…Since SNSs facilitate and encourage interpersonal discussion on various topics, including controversial public issues, the IPS becomes a powerful platform for political mobilization. By allowing multiple channels for interpersonal feedback, peer acceptance, and reinforcement of group norms, SNSs promote the construction of personal and group identities that are key antecedents of protest behavior (Dalton, Sickle, & Weldon, 2009;Valenzuela et al, 2012). Seeking and being exposed to information in SNSs also enhance individuals' social capital (Ellison, Gray, Lampe, & Fiore, 2014;Putnam, 2000) and mutual support (Gil de Zuniga et al, 2012;Tang & Lee, 2013;Valenzuela et al, 2012), thus preparing the counterpublic to get together for collective actions.…”