Dunbar’s Number is the limiting number of trusting relationships that a person can maintain. Tribes are known to naturally split after exceeding Dunbar’s Number in population. In other words, a tribe of 300 members naturally splits into two tribes of 150 members each. This leads to competition for resources. With a global population of more than 7,000,000,000 people competition for resources is reaching unstable levels–with 45 million tribes competiting for the same resources. Somehow humanity has to work together. How do we then maximize humanity’s fitness given this truth?
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