The document discusses the importance of networks for knowledge sharing and innovation in today's rapidly growing knowledge environment. It provides examples of different types of networks, including individual networks, networks between firms, and networks of organizations. It highlights that an individual's position in a social network influences their opportunities and constraints. It suggests that networks can be strategically developed by changing where people sit, who they interact with, and the communities and networks they belong to. Developing participation in a variety of strong and weak tie networks both inside and outside an organization is recommended.