As Africa's digital economy expands rapidly, it presents a wealth of opportunities for both micro and macroeconomic development. This book, the first of two volumes, offers a comprehensive examination of how digital technologies are redefining business models, market dynamics, and innovation strategies across African markets. Drawing on rigorous empirical research and conceptual frameworks, this volume explores the evolution of digital business models in Africa, analyzing their transformative potential and impact on various sectors. It delves into critical areas such as e-commerce, online consumer behavior, trust and risk perceptions in digital marketplaces, and the rise of social commerce. The book also examines the sustainability of emerging business models, such as video streaming platforms, and explores digital innovation in key sectors like fintech. It will be of great interest to scholars and students of innovation strategy and business in Africa.