5.5 Better customer engagement

Any unattended retail finally has as customer interacting with a device able to provide the service or product the customer asks.

These devices can use a graphic display which is normally used only for the selection.

An operator of an unattended retail device is never in physical contact with his customer, but the device display can provide a window: a blackboard for different other type of information, with the final intent the user can come again; but, when the user is in front of the vending device, there is good probability he will buy.

To management of the "user interface" has to be as must as possible independent for the operating details of the product delivery process, and this is the purpose of the standardized interfaces.

The technologies and knowledge used by the user interface designed are evolving and changing very fast. There is need to separate this development from the standard user interface normally embedded in the standard unattended retail devices.