The connection of components of the healthcare system is a major step in improvement of the healthcare system. Through networking, different entities can better coordinate their efforts. This chapter on information networks examines some of the human, organizational aspects of networking and begins with e-commerce networks, goes to supply chain management, and then goes to community and consumer networks. Consumerism is often touted as a way that patients can improve the efficacy of the healthcare system by becoming proactive. Some national governments are trying to improve healthcare by creating national information networks.