Think about product designers. They can't create a library of PLL designs and urge the rest of National to use them. The practice and knowledge is embedded in the community that created it. The only way to learn the practice is to become a member. The best way to access the knowledge is to interact with the community.
Organizations are webs of participation.
Change the patterns of participation, and you change the organization. At the core of the 21st century company is the question of participation. At the heart of participation is the mind and spirit of the knowledge worker. Put simply, you cannot compel enthusiasm and commitment from knowledge workers. When a company acknowledges the power of community, and adopts elegantly minimal processes that allow communities to emerge, it is taking a giant step toward the 21st century.