Three great domains dominate organized human life on earth: 
 
            
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Appropriate public-private boundaries, and public or private to whom, is a matter of context and point of view
 
          
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3D organizations, groups, and positions have 2D surfaces inside and outside. External surfaces are generally public while internal surfaces are generally private to group members or jobholders, e.g., team rooms.
 
            
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 Three great domains dominate organized human life on earth: 
 
            
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