A system and method for producing a personal golf lesson videotape from a visual recording of a person's golf swing and a partially prerecorded instructional golf lesson videotape. The partially prerecorded golf lesson videotape has gaps in predetermined locations into which are inserted the full motion...http://www.google.com/patents/US6159016?utm_source=gb-gplus-sharePatent US6159016 - Method and system for producing personal golf lesson video