Microsoft research on theory of Six degrees of separation
 

Those who may be wondering, “What is this Theory of Six degrees of separation ?”, please note, Six degrees of separation, is a famous theory which suggests, on average, every person on this world is connected to each other by just 6 steps. You may obtain a detailed explanation at Wiki, which says,

Six degrees of separation refers to the idea that, if a person is one step away from each person he or she knows and two steps away from each person who is known by one of the people he or she knows, then everyone is an average of six “steps” away from each person on Earth.[/quote]


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