Technology is advancing at such a rapid pace that in 2020, about 5 million jobs will be replaced by automated machines. Self-driving cars will gradually change the way we travel, and artificial intelligence (AI) will soon make decisions for us. We are on the verge of the Fourth Industrial Revolution, an age that will require a new set of skills for the workforce of tomorrow. Before we go deeper into what the fourth industrial revolution means and how it will affect the future workplace, here's a quick overview into the previous industrial revolutions. Humanity has had quite a few industrial revolutions over the course of history.