Behavioral algorithm and the expectable responses are patterns that can be recognized and used to develop interactive programs such as Windows in PC, advertising / marketing, governance to war strategy and religious scripture.

You must identify the patterns of your user group to create the responses, common sense for the general user or the targeted group are different. Take 3D software as example, newly developed programs are very easy to use and the old one are meant for people who began to use it since it was created based on old mentality (method), so the algorithm is from architectural / engineering to artistic sculpturing / painting today for ordinary people.