Mobile and location-based media refer to technologies that can openly and dynamically portray the characteristics of the users and their mundane life. Facebook check-ins highlights physical and informational mobility of the users relating individual activities into spaces. This study explored how personality traits like extraversion and narcissism function to influence self-disclosure that, in turn, impacts the intensity of check-ins on Facebook. Using survey data collected through Facebook check-in users in Taiwan (N ¼ 523), the results demonstrated that although extraversion and narcissism might not directly impact check-in intensity on Facebook, the indirect effects of selfdisclosure and exhibitionism were particularly salient. Moreover, a complete path from extraversion to Facebook check-in through self-disclosure and exhibitionism was discovered. Theoretical implications on human mobility and selective self-presentation are also discussed. Facebook, LBS, smartphone, extraversion, narcissism, self-disclosure, exhibitionism, location check-in The worldwide popularity of social networking sites (SNSs) has significantly extended the scope of users' own social networks. Advances in mobile communication technology have facilitated new forms of social interaction, enabling the maintenance of social capital within large distributed networks of contacts (Ling, 2004) . The release of the global positioning system (GPS)-enabled operating systems such as iOS and Android in 2008 accompanied by the convergence of applications with location-based services (LBS) and SNSs has bridged users' physical and social worlds. The contemporary social life is organized around human motilities rather than fixed locations or bounded communities (Urry, 2000) . While mobile phones connect users directly to individuals (Wellman,
While Wang and Stefanone REF studied how personality traits influence self-disclosure and, in turn, impacts the intensity of check-ins on Facebook and highlighted the physical and informational mobility of the users relating individual activities into spaces.
Showing Off? Human Mobility and the Interplay of Traits, Self-Disclosure, and Facebook Check-Ins:
Social Science Computer Review
Computer Science