As Fred Brooks points out in his classic book The Mythical Man-Month, adding new people to a team doesn’t immediately increase its capacity (this became known as Brooks’s law).10 In fact, it quite possibly reduces capacity during an initial stage. There’s a ramp-up period necessary to bring people up to speed, but the communication lines inside the team also increase significantly with every new member. Not only that, but there is an emotional adaptation required both from new and old team members in order to understand and accommodate each other’s points of view and work habits (the
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