This is a useful companion piece to the article above. Robin Dunbar’s research on work and social network size is several decades old yet more relevant than ever. He found consistently that 150 people is the maximum network size for effective co-operation and cohesion. Side fact: apparently this is why Roman legions had a maximum of 100 soliders.
“Every change contains within it an element of death. Today is the death of yesterday.” Dzongsar Jamyang Khyentse