The invention includes a computerized method responding to a navigation cue from a user by saving the writable state of the application and directing the computer through the window operating system to perform the navigation task 36 indicated by the navigation cue. The invention includes the following, which will each be discussed in turn. An alteration mechanism including means for altering window operating system by altering the hook triggered by each navigation cue to integrate saving the writable state. The window operating system integrating response to each navigation cue and saving the writable state. Source code artifacts which can be installed to implement navigation cues triggering saving the writable state. A business method generating revenue for a business entity.