An interactive system for the exchange of knowledge over a network, including, a server that is accessible by user client stations via a communication network, an interactive knowledge exchange application for running on the server, wherein the application is adapted to enable a user to log on to use the application as an instructor or a student. Wherein a user logged on as an instructor can provide an online course for teaching students, and a user logged on as a student can select to participate online in courses offered by instructors.