FIELD: physics, computer engineering.
SUBSTANCE: invention relates to means of controlling advertisement delivery to mobile clients while maintaining user privacy. The method includes receiving, at an advertisement delivery service, a location use token from a mobile client, sending the location use token to a location broker service for verification, receiving, at the advertisement delivery service, the mobile client location from the location broker service and delivering a location-targeted advertisement to the mobile client, wherein delivery is further based geographic density of a plurality of mobile clients.
EFFECT: high accuracy of advertisement delivery owing to use of a location broker service.
19 cl, 3 dwg
