The Internet of Things, which includes household products and complex industrial systems is not a new concept. It's just that it's hidden from view. CNN's Anna Stewart investigates how these connected devices operate and whether they are trustworthy. The Internet of Things is a network of physical objects with embedded technology that communicates and interacts with their environment. Our homes, cars and even our bodies are becoming equipped with sensors, other technology and devices that collect and share information. It's important to think about the implications for privacy and security.