In this book, we have discussed IoT technology and how it has changed the entire technological advancements in the future as well. The Internet of Things means billions of devices and gadgets throughout the world that is interconnected with the internet, all collecting and distributing information. Because of the appearance of small and modest CPUs and the universality of wireless networks, it's possible to turn anything, from something as little as a pill to something as big as a fighter plane or submarine, into a piece of the IoT. The IoT is making the essence of our everyday surroundings more intelligent and more responsive, interconnecting the automated and physical worlds. Any actual item can be changed into an IoT gadget if it tends to be associated with the web to be controlled or convey data. As even more up-to-date advancements and availability procedures hit the market, IoT development will keep on developing, assisting the change of detached items into brilliant associated gadgets. This pattern will affect enterprises, all things considered, just as our own lives. Be that as it may, similarly to any other innovation, IoT issues do exist. Concerns incorporate acknowledgment, cost, network, security, and that's just the beginning. As numerous new players enter the field, guidelines are being set. In any case, even with these difficulties, the ultimate objectives of IoT have a lot of guarantees.