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Social media become an important space where people receive and share up-to-date health-related information during the rapid global spread of the novel coronavirus (COVID-19). While information sharing in social media has been shown to improve relations, reduce stress, and enhance life satisfaction, little is known about reciprocal sharing. Situated in COVID-19 pandemic, this study conceptualizes information sharing as a communication process during which sharers expect the receivers to reciprocate, while receivers feel obligated to return the favor. Building upon social exchange theory and studies on social media sharing, the study tested a model of moderated mediation in which sharing of COVID-19 information was predicted to enhance life satisfaction by encouraging reciprocal sharing, i.e., information reciprocity. Subjective norms, attitudes, and perceived usefulness of the information was predicted to moderate the mediation. The hypothesized mediation was supported by data from a survey of 511 online participants in China. Furthermore, the indirect effect appeared stronger among the respondents who found the information more useful, reported more positive attitude, or perceived more subjective norms. The findings suggest that expected reciprocation may be an important incentive for social sharing, and received reciprocation may be a central part of the mechanism through which sharing benefits the sharer. Policymakers and communicators may need to take information reciprocity into consideration when designing health information campaign to confront communal threats.

Hong Kong is a significant market with a strong economy, unique geography, and ongoing trade activities in the Asia Pacific region. This city keeps changing after the sovereignty returned to China 1997. Facing this historical change, how do Generation Z adopt these changes? This chapter draws a comprehensive picture of the context for Generation Z in Hong Kong, including political issues, their communication with families and peers, their opinions on consumption, and their preferences in relation to jobs. Instead of saying that ‘they are too young’, we try to understand more about this generation and its specific characteristic

Research on healthcare gadget or application is not new to many of us, yet WeRun's special features have been a reason, and it is completely free of charge. While we take into consideration that WeRun is the most popular application in the world, this study makes a through exploration of how this application could attract loyal members and recruit new members every day. Based on the Theory of Expectation Confirmation, the research combing the variables of emotional pleasure and subjective norm into the expectation-confirmation model of IS continuance (ECM-ISC) to measure the factors that affect the continued use of WeRun by users. A 325 online questionnaire survey had been conducted to this research. The results show that emotional pleasure was positively and significantly associated with users' satisfaction of WeRun and internal influence was positively and significantly associated with users' continuance intention. However, emotional pleasure is not significantly associated with users' continuance intention and external influence has negative influence on user's continuance intention.