1. A method for creating a personalized content layout for a user interface, the method comprising: providing a content layout framework; monitoring and storing usage data over time of a content fragment displayed in the content layout framework using a parameter model; changing a visual appearance of the content fragment in respect to its presentation within the content layout framework based on a first value of a first parameter of the parameter model, wherein the changing of the visual appearance of the content fragment uses an abrasion factor, such that a content fragment appearance changes from session to session of usage of the content layout framework, depending on a predefined function, deployed to the first value of the first parameter of the parameter model.