Metering user behaviour and engagement with user interface in terminal devices

摘要

Electronic terminal device including a processing entity for processing instructions and other data, functionally connected user interface entity, a display and user input elements, optionally a keypad or a touch-sensitive arrangement in connection with the display, a memory entity for storing the instructions and data, and a communication interface for transferring data with external entities, configured, in accordance with the instructions, to store data including a number of predetermined fingerprints, each characterizing display usage such as visual objects associated with software entities and potentially shown to the user via the display during execution of the software entity, and log data including behavioral data indicative of user engagement with the UI of the device, the logging incorporating detecting display usage, and storing indication of such detection in the memory, wherein the device is configured to determine the status of the display, and execute the logging according to the determination.