quaternary sector (knowledge economy),”- The knowledge economy (or quaternary sector) includes workers whomanage information, such as those in finance, journalists, education,researchers, and health-care professionals. Because these industries are dependent on managers, communicators,thinkers and technicians, they are able to be located more flexibly,preferring clusters where there is a surplus of required talent, such as nearmajor universities or research institutions. The information technology (IT) sector, for example, which deals withcomputer software, hardware, and management of data
is denselyclustered in the Silicon Valley in Northern California and other places inthe country where a surplus of talent resides. The Internet is crucial to the knowledge economy and social medianetworks play an expanding role in small and large businesses.”