Abstract: Method for selling and using digital media objects (6) as well as a mobile communications terminal (1) suitable therefor, in which method a media object (6) is ordered from a center (3) by a user by means of his mobile communications terminal (1), and is transmitted by the center (3) via a radio network (2) to the mobile communications terminal (1), where the transmitted media object (6) is stored in a memory (12) and where a media content (62) contained in the transmitted media object (6) is played back by a media playback module (13) of the said communications terminal (1) via a suitable medium.

Abstract: Method for finding members of a common interest group with a mobile device (1), in which at least one database (50) is built, in which a plurality of interest groups are stored. These interest groups contain mobile radio network users; the database (50) is filed in at least one server (5), accessible from within a radio network (3). Each time a member is located in the vicinity of another member of a common interest group, he is automatically sent a message.

Abstract: Method with which a first user of a mobile telecommunications network, in which users are identified with a chip card by the provider of the telecommunications network, can provide objects to other users of the telecommunications network, with the following steps: reserving by the first user of a memory area in an accessible database in said telecommunications network, in which at least a number of users can store objects, for example documents and programs, filing by the first user of objects in said memory area, allocation by the first user of access authorizations for said objects, sending by a second user of a query to said database, verification of the access authorization of the second user through the database administration system, by using the second user's identity stored in his said personal identification module for his identification in the database administration system, if his access authorization allows it, sending of a reply from the database to the second user.