In the late 19th century, the world was transformed by the Industrial Revolution and the introduction of the steam engine. In total, there have been four major waves of industrial revolutions.
The second was the introduction of electricity and assembly lines in the early twentieth century. The third, in the 1970’s, was computer powered automation that allowed people to program machines and robots to complete tasks.
Today, there is a fourth revolution that is quickly changing the landscape of industries: Industry 4.0.