This document summarizes online conferencing, outlining its key features, advantages, and disadvantages. It discusses how online conferencing allows for communication and collaboration through tools like webcasts, forums, file sharing, and video/voice conferencing. Both synchronous and asynchronous participation is supported. The document also contrasts online versus physical conferences, noting lower costs but also potential for distraction online. It provides examples of successful online conferences and highlights the important roles of conference organizers and facilitators in setting them up and moderating discussions.