19. The method of claim 15 , wherein the set of usage elements are compared to feedback associated with individual features to determine whether each usage element is compatible with the individual features.
19. The method of claim 15 , wherein the set of usage elements are compared to feedback associated with individual features to determine whether each usage element is compatible with the individual features. 20. The method of claim 19 , wherein the rating further analyzes user attributes in view of the known limitations and benefits.