To recapitulate, the Internet of Things (IoT) refers to the billions of physical devices that are spread across the world and are interconnected over the Internet. Every “thing” in the IoT refers to an object that is empowered with its capacity to sense and transmit data over the Internet. A report by Forbes defines the IoT as follows [1].

It is the concept of basically connecting any device with an on and off switch to the Internet (and/or to each other). This includes everything from cellphones, coffee makers, washing machines, headphones, lamps, wearable devices and almost anything else you can think of. This also applies to components of machines, for example a jet engine of an airplane or the drill of an oil rig.