Innovation and invention changed the world

Essay on the topic:" INNOVATION AND INVENTION CHANGED THE WORLD"
Over the years that the humans have walk upon the earth there have been countless technological innovations, some dating back to the Stone Age. Although the ancient world didn’t have all the resources that we have today, the people of those times did magnificent things that paved the road for us today; from the stone tools made in Paleolithic and Mesolithic times to the wheel in 3000 BC, all the way to the pyramids in 2560 BC. These inventions helped make it possible for us to build smartphones, remote controls, and skyscrapers.
Throughout the Paleolithic and Mesolithic periods, humans used stone tools. These stone tools are the oldest technology that has evidence of surviving. The humans would use flakes of rock, usually flint, to make different tools. For example, the old wan choppers, seen to the right, were designed to help break things down. These stone tools can be compared to smartphones, the most useful tool of today.
While the humans of the past had a different shape designed for different tasks, today we have “an app for that.” Smartphones have different apps designed for each task; likewise, there are different designs of stone for each objective. A smartphone is a tool that most people today could not live without. Like stone tools, a smartphone is designed to make the lives of people easier. 
Everyone has to believe that inventions that happened in world have changed entire world forever and made life of human being easier.
Those people who think differently, put in hard work and efforts for decades, and invent new things or discovers are ones who change the world forever.
And obviously these peoples bring new inventions to the world.
Like that In history, people worked hard to invent something new and changed the world.
Everyone should concur that inventors have played an important role in the world we see it today.
The hard thing about invention is it requires time, and the best thing about invention is it benefits the whole world.
Now let’s dive in to understand what are the inventions that changed the world? And who are the inventors of inventions that changed the world? And how has that invention changed the world?
The first invention that came to mind that changed the world was the invention of the light bulb.