The present invention relates to a system (1) for capturing spatial and temporal relationships between physical content items (2) and user actions related to the physical content items (2), comprising a sensor unit (3) for detecting the physical content items (2) and for outputting sensor data, a monitoring device (4) for user identification and monitoring of user action related to the physical content items (2) and for outputting monitoring data, and a processor (5) for processing said sensor data and said monitoring data by prioritizing and interrelating said sensor data and said monitoring data in correspondence to the frequency and/or duration of the at least one user action in connection with the at least one physical content items (2) and for generating a data set including said prioritized and interrelated sensor data and monitoring data.