This redundancy is important for the studies on job searches described above, since they tell us that social networks will tend to bring into a firm people who are similar to the ones already there. This similarity is both positive and negative, since it can more easily introduce someone who would be a good social and professional fit with other members of the firm, but it can also increase the redundancy of the knowledge accumulated in the firm to unhealthy levels, or it can represent an implicit form of discrimination
