Patent ID: 8566162

Claim:
An information distribution device comprising: a processor and a memory coupled to the processor that implement following parts: a terminal location retrieving part that retrieves terminal location information indicating current locations of mobile terminals; a notification information recording part in which notification information regarding a predetermined location is pre-recorded; a distribution area recording part in which distribution area information indicating a distribution area formed of a plurality of areas is recorded; an information distribution part that distributes the notification information to, of the mobile terminals, those located within the distribution area; a distribution information recording part in which terminal location area information indicating each area in which each of the mobile terminals is located when the notification information is distributed from the information distribution part to each of the mobile terminals is recorded; a distribution area evaluation part that calculates, for each of the plurality of areas forming the distribution area and based on the terminal location area information, an area visit evaluation value indicating a ratio of visiting users who have visited the location indicated by the notification information which have been distributed to mobile terminals of the visiting users to notified users of mobile terminals to which the notification information have been distributed in any of the plurality of areas forming the distribution area; and a distribution area updating part that updates the distribution area information recorded in the distribution area recording part such that the distribution area only includes, of the plurality areas, those whose area visit evaluation value is equal to or larger than a threshold value.