Web conferencing allows for real-time communication between geographically dispersed locations through internet technologies. It can be used for meetings, training, lectures, and presentations. Key features include screen sharing, video/audio chat, file sharing. Some tools used for web conferencing include WebEx, Tinychat, and Adobe ConnectNow. While it provides benefits like reduced costs and improved access, limitations include technical difficulties, lack of in-person interaction, and security concerns. Universities have implemented web conferencing to enhance distance education.