Dubar's number suggests that there's a limit to how many deep meaningful friendships/relationships one person can have so living in cities of millions isn't rea

Dubar's number suggests that there's a limit to how many deep meaningful friendships/relationships one person can have so living in cities of millions isn't really something anyone needs. As for income it's all abstract. True, rural areas don't provide complex services like software that facilitates the integration of two other softwares to generate paper GDP points, but they make food. Rural areas can exist without cities but cities can't exist without rural areas.