This report is about developing a targting service for high school students, in order to offer cultural data that educates while entertain the student. The service is based on a relational darabase, that use aggregates the cultural data abaout the student, through the use of aesthetic markers. The service is designed, to gather data about the students, without leaving any links that can be traced back to the student. The service system of the main library of Copenhagens, is investigated both the IT-infrastructure and the physical interfaces. Furthermore, the students are studied in order to understand their needs, and their behavior on the internet. The final design is never tested, which makes the final conclusion inconclusive.