A bill folder for providing a user with relevant information when paying for a service such as in a restaurant, hotel, etc., in which said bill folder comprises a first portion that has a coating and one or more holding elements, and a second portion that has a coating and one or more holding elements, in which both portions are joined by an intermediate hinged portion that forms a spine. The first portion contains a first enclosure and includes at least one visual device, and the first enclosure contains a motherboard, the second portion contains a second enclosure, in which the at least one visual device is able to display dynamic information obtained from a content updating system. The present invention overcomes the technical problem of integrating an information content updating system dynamically and in a manner suitable to all locations, orders, levels and types of service.