E-commerce is a relatively nascent yet swiftly expanding field of study. It is concerned with trading via computer networks, primarily internet. The aim of this book is to present researches that have transformed this discipline and aided its advancement. This book strives to put across a plethora of tools and techniques that e-commerce business specialists employ like online shopping websites, online marketplaces and electronic data interchange, etc. The text also lays forth multiple business applications of e-commerce that are prevalent across the globe. As this field is emerging at a rapid pace, the contents of this book will help the readers understand the modern concepts and applications of the subject. For all readers who are interested in E-commerce, the case studies included herein will serve as an excellent guide to develop a comprehensive understanding of the field.