A software program providing a facility for a user to compose a custom active document using tools provided by the program. The active document can be comprised of one or more sheets each of which is composed in a custom manner by the user and each of which can show real time data and the changes therein...http://www.google.com/patents/US5339392?utm_source=gb-gplus-sharePatent US5339392 - Apparatus and method for creation of a user definable video displayed document showing changes in real time data
