In 1929, Frigyes Karinthy - a Hungarian author - wrote a short story ‘Chain-Links’ in which he introduced the concept of Six degrees of separation.

We should select any person from the 1.5 billion inhabitants of the Earth - anyone, anywhere at all. Using no more than five individuals, one of whom is a personal acquaintance, he could contact the selected individual using nothing except the network of personal acquaintances.

86 years later, we are 7.3 billion people on Earth, roughly 5 times the population in 1929, but the theory of 6-degrees of separation has stayed constant. Isn’t it interesting?

Let’s look at this theory little closely. It says, “everyone and everything is six or fewer steps away, by way of introduction, from any other person in the world”. The key is ‘by way of introduction’. Let’s park this thought as point #One