For a platform device (100) located at a web-site and capable of forming a network with a plurality of ID-detectable users or participants for gathering and processing items of information stored in each case in code-identifiable storage spaces (110) of a platform (100) assigned to a plurality of different topics by the users or participants, a passive automated distribution of information collected by the users or participants is enable in that the storage spaces (110) on the platform (100) are in each case formed by a dual unit DuU, a dual unit DuU comprising in each case a first storage space (111) that is assigned to a predefinable topic and provided with initial items of information (114) formulated by an initial participant and is not editable by any other individual user or participant and also a second storage space (112) assigned to the first storage space (111) and editable by any individual user or participant and construed for insertion, by the plurality of users or participants, of additional information (113) concerning the initial item of information (114) stored in the first storage space (111).