You may be familiar with the 2004 Will Smith movie I, Robot. The movie's story revolves around a world where robots try to enslave humans. Many big-budget films and novels have created stories about human-like machines that wreak havoc on Earth. Robots, speaking, moving, and behaving like humans, were a fairy tale a few decades back. But today, with the emergence of artificial intelligence (AI), robots are no more a fantasy. Alexa, Siri, Cortana, Google Assistance, and several other voice assistance AIs have already become part of our everyday lives. So, what exactly is artificial intelligence all about? Let's take a look at the history of this life-changing innovation.