First let's begin with this simply definition from techopedia :
"The Internet of Things (IoT) is a computing concept that describes a future where everyday physical objects will be connected to the Internet and be able to identify themselves to other devices. The term is closely identified with RFID as the method of communication, although it also may include other sensor technologies, wireless technologies or QR codes."
Let's have a precise view from IBM :
"The Internet of Things represents an evolution in which objects are capable of interacting with other objects. Hospitals can monitor and regulate pacemakers long distance, factories can automatically address production line issues and hotels can adjust temperature and lighting according to a guest's preferences, to name just a few examples. Furthermore, as the number of devices connected to the Internet continues to grow exponentially, your organization's ability to send, receive, gather, analyze and respond to events from any connected device increases as well.
IBM solutions can help put the Internet of Things to work for you by giving you the ability to:
