Information systems are the backbone of modern day business and corporate organizations. This book attempts to provide a comprehensive overview of the current status of information systems and technology. It includes chapters that elucidate vital concepts of contemporary developments in information science across different industrial and business sectors such as e-commerce, e-governance, financial accounting and auditing, etc. Academicians and experts from various parts of the globe have contributed their researches and case studies in this book. It would be an invaluable source of knowledge for all the students engaged in this field.