The document reviews and compares three web conferencing tools: Wikisend, Instant Conference, and Big Marker. Wikisend has a colorful interface but is slow and tedious compared to other file sharing services. Instant Conference offers various conferencing options but may be too costly for schools. Big Marker allows video conferencing, screen sharing, and recording of conferences. It also has interactive features like raising hands and translating presentations, making it well suited for distance education.