CLIENT-SERVER SYSTEM FOR PERMISSIONS-BASED LOCATING SERVICES AND LOCATION-BASED ADVERTISING

摘要

A method in a server coupled to a device through a network for delivering message content to the device, the method comprising: maintaining at the server a message content store, the message content store including message content sorted by geographic position, class, and subclass; receiving at the server from the device a request message for message content, the request message including a geographic position of the device, an extent of a geographic region surrounding the geographic position of the device, a class, and a subclass; determining at the server the message content using the geographic position, the extent, the class, and the subclass; and, sending a response message including the message content from the server to the device, wherein the message content is displayed on a display screen of the device.