This book on digital marketplaces primarily focuses on Knowledge Intensive Assets (KIAs) such as data, insights, models, digital twins, APIs, software applications, courseware, advertisements, games, and entertainment. KIAs are becoming significant in the world of trading and monetization. Marketplaces dealing with KIAs are just evolving, but they show the promise of notable growth rate. The steps to manage the trade of the KIAs—product validation, acquisition, pricing, and delivery—present challenges that are different than those of traditional commodities. The contents of this book present unique value in today's data- and AI-driven economy as all industry sectors are having to handle KIAs.   This book provides a detailed look at the challenges and opportunities of marketplaces, especially those dealing with KIAs. As a compendium of marketplace functions, including monetization models and analysis of specific marketplace players, the contents of this book will be beneficial for industry practitioners, researchers, and business executives.   The topics discussed include: Description of a broad spectrum of KIA products and their emerging market value Challenges in managing the KIA marketplaces Technology trends that support marketplace business The socio-economic impact of digital marketplaces