Accountability & responsibility

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• Around 5m years ago, our chimpanzee ancestors lived in optimally-sized groups of about thirty. 
• Then brain size of Homo sapiens grew larger, enabling us to manage group sizes five times bigger. 
• Around 10k years ago, agriculture enabled humans to upscale small communities into vast empires.
• Scaling up meant that we learned to trust managerial accountability as much as personal responsibility. 
• We invented reductionist technologies such as alphabetical writing | money | clocks | thermostats.