What is meant by the expression "The Internet of Things (IoT)"?

The Internet of Things (IoT)refers to the billions of devices that are connected to the Internet and the networking potential of having all these gadgets communicate with each other,feed data into vast information warehouse,and interact with the people and the physical environment.These "things" range from sensors that measure temperature,location,and other parameters all the way up to robots and other complex systems.People and animals with Internet-capable sensors or devices also qualify as things in this model.