"The law" eh? Wikipedia calls it just a theory. http://en.wikipedia.org/wiki/Dunbar%27s_number http://en.wikipedia.org/wiki/Dunbar%27s_number I doubt that it's

"The law" eh? Wikipedia calls it just a theory. http://en.wikipedia.org/wiki/Dunbar%27s_number http://en.wikipedia.org/wiki/Dunbar%27s_number I doubt that it's even a theory which has solid weight of evidence showing that it applies to human beings.