The present invention relates to a method for displaying messages, such as advertisements, on digital wireless communication devices, such as digital cellular telephones, comprising the steps of creating at least one visual advertising message in the form of an information file for display on a digital...http://www.google.de/patents/US7251476?utm_source=gb-gplus-sharePatent US7251476 - Method for advertising on digital cellular telephones and reducing costs to the end user
