This book is a study of select issues and laws relating to privacy in the 21st century. Topics examined include an overview of federal law governing wiretapping and electronic eavesdropping under the Electronic Communications Privacy Act (ECPA); background and issues related to the USA PATRIOT Act reauthorisation on government collection of private information; the United States v. Jones court case involving GPS monitoring, property and privacy; Fourth Amendment implications and legislative responses to drones in domestic surveillance operations; and the privacy and security concerns surrounding smart meter technology.