Patent ID: 8777103

Claim:
A dispensing machine, comprising: a control unit connected to one or more electrically-activated parts of the machine, the control unit including a memory to store and retrieve digital data; and means for showing information to an user and for retrieving input commands from the user to be sent to the control unit, said means for showing and retrieving including a graphic user interface (GUI) comprising a graphic screen configured to display at least part of virtual buttons to operate said machine and to display multimedia content, wherein the control unit is configured to change at least one of the virtual buttons on the graphic screen in response to a control unit command depending on a machine related parameter obtained by the control unit, the change including increasing a size of the at least one of the virtual buttons with respect to at least another one of the virtual buttons present on the graphic screen, and wherein said machine related parameter is product profitability or product shelf-life of a product corresponding to the at least one of the virtual buttons to be increased in size.