Digital technologies transformed the people's day to day life and businesses organizations the way they work. It saved their time, accessibility and cost. It provided new opportunities, new markets, and new products to the organizations.Digital revolution started with the introduction of Computers, Internet, Mobile phones, Social media networks, Cloud computing, Big Data, Internet of Things, 3D Printing, Machine learning, Virtual reality, Natural Language Processing, Block Chain, Artificial Intelligence, Robotics and Quantum Computing.Digital technologies are so dynamic and it becomes difficult to cope up with the pace with which new technologies evolve over time. Currently digital technology is being used in the time of pandemic in many countries to contain the spread through detection, contact tracing and monitoring the people movement using Big Data, Machine learning, mobile applications and Artificial intelligence tools.This book provides an overview of digital technologies and concepts, tools and techniques associated with it and how organizations and business needs to adapt to these technologies and transform their business operations.Editor IJSMIInternational Journal of Statistics and Medical Informatics