Abstract: A system and method for providing a virtual knowledge marketplace in the form of an Internet-based on-demand commercial exchange for professional knowledge and services. In one embodiment, the Knowledge Marketplace System is a networked computer system comprising a computerized data processing and communication network operative to exchange data. The system includes a plurality of networked servers including a web applications server which provides an interface portal for Knowledge Consumers and Knowledge Producers to access the system and exchange information. In one embodiment, the system is operative to both receive, organize, and store knowledge content in information packets created by Knowledge Producers in a database, and further operative in turn to enable Knowledge Consumers to search or browse for knowledge content and then purchase the content for viewing at a predetermined price.