The interconnectivity of appliances, everyday objects, and people to the Web is called the “Internet of Things.” Electric cars are being made smart and fast with software updates that are pushed to them wirelessly. Electrical outlets can be tuned off from anywhere in the world, and people can even track the amount of energy the plugs are using by looking at a cell phone. This insightful volume describes some of these intriguing state-of-the-art devices, including tracking devices to monitor endangered animals or help find lost pets and sensors in water treatment facilities that can help control a city’s water supply.