A user-adaptive audio and/or video presentation system contains a background sub-system for presenting audio and/or video items, control for the background subsystem as regarding an actual selection sequence amongst the items according to a user preference pattern, and output means for physically presenting...http://www.google.de/patents/US5995094?utm_source=gb-gplus-sharePatent US5995094 - User-oriented multimedia presentation system for multiple presentation items that each behave as an agent
