A system and method for an interactive, Internet-based videoconferencing multicast operation which utilizes a video production studio with a live instructor giving lectures in real-time to multiple participating students. The videoconference multicasting permits the students to interact with the instructor...http://www.google.de/patents/US6288753?utm_source=gb-gplus-sharePatent US6288753 - System and method for live interactive distance learning
System and method for live interactive distance learning