This book embarks on a deeper exploration of the intersection of technology and business with Volume 2 of 'Tech Fusion in Business and Society: Harnessing Big Data, IoT, and Sustainability.' This book, divided into two parts—'Diving into the Nexus: Artificial Intelligence, Technology, and Societal Impact' and 'Unveiling Synergies: Artificial Intelligence, Blockchain, Security, and Business Impact'—offers a comprehensive look at how these elements shape our world.This book delves into a rich tapestry of insights from leading experts, each chapter meticulously reviewed to ensure academic excellence and practical relevance. This book discovers how AI, blockchain, security, and more converge to drive innovation and influence the future of industries and societies.