This efficient book provides an essential introduction to the privacy fundamentals and security essentials that make up the modern economy. Privacy and free speech expert Professor Jon M. Garon has written an essential overview geared to students and entrepreneurs. The book provides a concise overview of privacy from its origins in constitutional and common law through the most important changes in U.S. laws and laws that impact the U.S. from abroad. The book explains privacy and security rules for finance, health care, and business, along with practical advice on running a secure business and keeping oneself safe when online.