Online gamers form clans voluntarily to play together and to discuss their real and virtual lives. Although these clans have diverse goals, they seek to increase their rank in the game community by winning more battles. Communications among clan members and battles with other clans may influence the performance of a clan. In this study, we compared the effects of communication structure inside a clan, and battle networks among clans, with the performance of the clans. We collected battle histories, posts, and comments on clan pages from a Korean online game, and measured social network indices for communication and battle networks. Communication structures in terms of density and group degree centralization index had no significant association with clan performance. However, the centrality of clans in the battle network was positively related to the performance of the clan. If a clan had many battle opponents, the performance of the clan improved.

With the advances in and popularity of mobile devices, mobile service providers have a direct channel for transferring information to their subscribers, i.e., short messaging service (SMS) and multimedia messaging service (MMS). Mobile service operat

The aim of this study was to explore the influence of a personal information agreement on customers’ information disclosure behavior. By integrating the existing privacy calculus theory, we sought to understand customer behavior in the context of encountering a personal information agreement and to provide insights into the efficacy of a company’s privacy policy. Our findings reveal that upon encountering a personal information agreement, customers perceive both a privacy retention period policy and privacy information sharing policy. We discovered that both policies significantly influence the perception of privacy benefits, but only the privacy information sharing policy impacts the perception of privacy risk. Furthermore, while privacy benefits were found to dictate information disclosure behavior in the context of a personal information agreement, perceptions of privacy risk did not significantly affect this behavior.