Book excerpt: Trust is important – it influences new technologies adoption and learning, enhances using social media, new technologies, IoT, and blockchain, and it contributes to the practical implementations of cybersecurity policy in organizations. This edited research volume examines the main issues and challenges associated with privacy and trust on social media in a manner relevant to both practitioners and scholars. Readers will gain knowledge across disciplines on trust and related concepts, theoretical underpinnings of privacy issues and trust on social media, and empirically-validated trust-building practice on social media. Social Media, Privacy Issues and Trust-building aims to bring together the theory and practice of social media, privacy issues, and trust. It offers a look at the current state of trust and privacy, including a comprehensive overview of both research and practical applications. It shows the latest state of knowledge on the topic and will be of interest to researchers, students at an advanced level, and academics, in the fields of business ethics, entrepreneurship, management of technology and innovation, marketing, and information management. Practitioners can also use the book as a toolbox to improve their understanding and promote opportunities related to building social media trust while taking into consideration of privacy issues.