Abstract: An information processing system includes an image acquisition unit that acquires a captured image corresponding to a field of view of a user. The information processing system includes an advertisement detection unit that detects an advertisement viewed by the user from the captured image. The information processing system includes a storage unit that stores therein information of the detected advertisement in association with the user.

Abstract: An information providing apparatus according to the present application includes an identifying unit, a checking unit, and a notifying unit. The identifying unit identifies a store or a site which a user plans to visit by analyzing a posting page posted by the user. The checking unit checks a current location of a user terminal which the user has against a location of the store or the site identified by the identifying unit when the user terminal performs processing to register the current location. The notifying unit notifies an administrator of the store or the site that the user has actually visited the store or the site when the current location of the user terminal is the same as the location of the store or the site as a result of the check performed by the checking unit.

Abstract: A terminal apparatus of the present application includes a position acquiring unit, a searching unit, and a transmitting unit. The position acquiring unit acquires position information on the location of the terminal apparatus. The searching unit searches other terminal apparatus located near the terminal apparatus through short range communication. The transmitting unit transmits the position information acquired by the position acquiring unit to a predetermined server apparatus, as the current position of the terminal apparatus and the other terminal apparatus searched by the searching unit.