This research-oriented book presents key contributions on architecting the digital transformation. It includes the following main sections covering 20 chapters:   ·        Digital Transformation   ·        Digital Business   ·        Digital Architecture   ·        Decision Support   ·        Digital Applications    Focusing on digital architectures for smart digital products and services, it is a valuable resource for researchers, doctoral students, postgraduates, graduates, undergraduates, academics and practitioners interested in digital transformation.