Location dependent messaging

摘要

A device (12) comprising: a memory (30) configured to store a data structure comprising a message portion and an information portion, wherein the information portion identifies an area (7), and wherein the device (12) is configured to store the data structure while the device (12) remains within the area (7); positioning means (26) configured to determine the location of the device (12); and a transmitter (22) configured to transmit the data structure to another device (14) when the positioning means indicates that the device (12) is no longer located within the area (7).