<i>A reactive document is one in which “The reader can play with the premise and assumptions of various claims, and see the consequences update immediately.” As an example, there is a paragraph describing the number of state parks that must be shut down in California assuming that a certain tax is levied; as the reader changes the size and structure of the tax according to his whim, the stated number of parks to be shuttered changes in concert</i><p>-- Anyone else think this sounds completely reasonable?