Compares the development of copyright in the United Kingdom and the United States in relation to writing, literary works and other forms of intellectual property, and computer programs to show how writing is a unifying principle for documents and computers. (68 references) (EAM)

This article presents a brief history of the videodisc and describes three major current manifestations of this storage medium--read-only, write-once, erasable. The current status of write-once technology, major corporations involved in the field, potential uses for various types of storage media, and software and market trends are highlighted.…