Abstract: A method for exchanging data between a buyer side and a service provider (SP) side. The buyer proposes to acquire merchandise such as a garment, and the SP retains access to a variety of pieces of merchandise for which a match between the buyer side and the SP side is to be sought. To accomplish, first an image of an existing garment together with a reference object is acquired by an imaging mobile communications system. Then the image us rectified by using data relating to the reference object. Subsequently scale is computed and a model of the garment is made. The model is sent by the interne to the SP to match with existing data base items.