A method and software for fulfilling a resource request in a data processing network includes specifying characteristics of the requested resource responsive to detecting the resource request. A pricing component receives one or more of active bids and stored bids and simulates an auction of at least one non-identical item within one of the one or more sets of non-identical items as if the non-identical items within the set were identical to determine price associated with the at least one non-identical item. The method may also be used for the preservation of plants or germplasm, which is further characterized by the step of storing the leafy galls or shoot outgrowths under growth limiting conditions. The adjustment means are adapted to automatically adjust the directivity of the microphone device as a function of the adjustment position of the sun visor.