Netmeeting is a communications and collaboration tool that allows users to conduct video and audio conferencing, share files and applications, and use a shared whiteboard. It requires an internet connection and hardware like a sound card and webcam. Netmeeting's features include video/audio conferencing, chat, file sharing, application sharing, and remote desktop sharing. It aims to support distance education by enabling discussion, resource sharing, and enhancing learning activities between teachers and remote students. Examples of its use in higher education include software demonstrations, collaborative work, and virtual field trips at schools like San Diego State University.