Dunbar’s Number is a favorite blunt diagnosis for the pains that affect rapidly growing teams. The number, which is somewhere between 100 and 250, describes a point at which a group of people can no longer effectively maintain social connections in their respective heads. What was simple from a communication perspective becomes costly. What was a familiar family that you saw wandering the hallway becomes Stranger Town.
It resonates. It intuitively feels right that we have a threshold for the number of relationships we can maintain in our heads. If your team or company is ...