Book excerpt: This state-of-the-art Research Handbook presents a comprehensive overview of the key strategic challenges that firms face when dealing with digital markets, platforms, and products and services, from old strategy questions in need of different solutions to entirely novel issues posed by the new competitive digital context. Bringing together contributions from international experts in digital strategy, the Research Handbook depicts the contours of the major threads of investigation that shape the digital transformation process at firm, platform, market, and industry levels. Chapters explore the fundamentals of digital strategy and digitization, the design of digital organizational architectures, how value is created and captured through data strategies, and the manifold challenges that firms face in the digital era. From the impact of Big Data analytics and AI on management thinking and practice to the nature of digital competition and user engagement on social media platforms, the Research Handbook takes stock of emerging issues and advancements in digital strategy research and ultimately considers how future digital strategy frameworks might be cultivated. This timely Research Handbook will be an invaluable tool for students and scholars of strategic management, international management, entrepreneurship, and technology and innovation management. Its discussion of how digital strategy relates to traditional strategy frameworks will also benefit executives, entrepreneurs, and consultants with an interest in better understanding the state of the art of digital strategy.