In order for multimedia presentations to be stored, accessed and played from a large library they should not be encoded as final form presentations, since these consume storage space and cannot easily be adapted to variations in presentation-time circumstances such as user characteristics and changes in end-user technology. Instead, a more presentation independent approach needs to be taken that allows the generation of multiple versions of a presentation based on a presentation-independent description. In order for such a generated presentation to be widely viewable, it must be in a format that is widely implemented and adopted. Such a format for hypermedia presentations does not yet exist. However, the recent release of SMIL, whose creation and promotion is managed by the World Wide Web Consortium, promises to become such a format in the short term and be for hypermedia what HTML is for hypertext. The technology for enabling this presentation-independent approach is already availabl...