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The aim of this study is to investigate the factors that encourage customer engagement with Electronic Word of Mouth (eWOM) from the perspective of information characteristics, consumer behaviour, consumer motives, technological and social factors. Drawing from the Elaboration Likelihood Model (ELM), Theory of Reasoned Action (TRA) and Social Support Theory (SST) we propose a new model of eWOM engagement in s-commerce. This model was assessed using structural equation modeling (SEM) technique based on a survey of 218 s-commerce users in Nigeria. The findings confirmed that eWOM engagement is strongly determined by information credibility, information quality, social support, innovativeness, altruism, self-enhancement and sense of belonging. Additionally, using the Importance-Performance Map Analysis (IPMA), this study identifies information credibility, sense of belonging, attitude towards eWOM and social support as the most important factors that should be giving priority by managers in order to encourage consumer eWOM engagement in s-commerce platforms. Implications of the study and suggestions for future research are presented.

This study seeks to validate a comprehensive model of academic researchers’ intention in the context of academic social networking sites (ASNSs). It uses the Unified Theory of Acceptance and Use of Technology (UTAUT) model with constructs of perceived security, perceived privacy, trust, attitude towards technology, and communication benefits as well as age, gender and experience as moderator variables. The survey results supported the positive relationships between the factors in the model, except effort expectancy, which had no significant effect on behavioural intention. However, the results of three moderator variables demonstrated that they had no significant effect on the adoption of ASNSs. The finding of this research will provide directions for ASNSs providers to support them in developing effective ASNSs for academic researchers.

User interface is one of the main challenges for designing mobile application. The importance of user interface is all about to retain user's loyalty which can be gained by offer user friendly interface and usability. The research focus on main issues of designing mobile application which is "how to display all the information and elements on the small screen of mobile device?". This research aims to study and understand mobile human-computer interaction and other issues associated with mobile commerce application by understanding the mobile commerce environment to propose framework for mobile application. In terms of designing for mobile application, the authors has adopt the four existing guideline. There are Shneiderman's Golden Rules of Interface Design for Mobile, Seven Usability Guideline for Mobile Device, Human-Centred Design and W3C Mobile Web Best Practices . This paper ends with future work that based on the proposed framework.