Web conferencing allows for conferencing events to be shared remotely through internet technologies like TCP/IP connections, enabling real-time communication. It reduces costs and travel compared to in-person meetings by making participation online more convenient. Key features include presentations, video, screen sharing, and text chat. While it saves resources, web conferencing also faces limitations such as costs, technical difficulties, and lack of in-person interaction compared to conventional conferences. Examples of tools for web conferencing include WebEx and Dimdim.