5. The computerized method of claim 1 , wherein the generating the multiple instances of text stories comprises: building each instance of text story, using multiple templates including replaceable aspects, the multiple templates having been derived from units of the corpus, by replacing at least some of the information in the replaceable aspects of the multiple templates with at least some of the data input by the user.
7. The computerized method of claim 5 , wherein the part of the information in the multiple templates that is replaceable information has first magnitudes and at least some data input by the user has second magnitudes, and wherein the computing the replacement score comprises: for all instances of text story where the replaceable information is replaced by data input by the user, quantifying a change between the first magnitudes and the second magnitudes.