| Inventing some protocol around the Dunbar number is interesting. There was something similar in the Weatherford's book on Genghis Khan [1][2]. This system was described to be very effective for communicating and coordinating the huge military. > In Genghis Khan's military system, a tumen was recursively built from units of 10 (aravt), 100 (zuut) and 1,000 (mingghan), each with a leader reporting to the next higher level. Note: I am not aware of how good the Weatherford book is, it felt one-sided to me. So I am not sure how good the civic system that depended on the Tumen was in the mongol era. [1] https://en.wikipedia.org/wiki/Mingghan [2] https://en.wikipedia.org/wiki/Tumen_(unit)#Genghis_Khan's_or... |