Abstract: An information processing system 10 of the present invention includes an acquisition means 11 for acquiring posted information corresponding to a specific object from each of a plurality of posting websites on which the posted information, posted by a user who used the specific object, is disclosed on the Internet; and an output means 12 for outputting the posted information corresponding to the specific object acquired from each of the plurality of posting websites so as to display the posted information in a list.

Abstract: A computer system receiving audiovisual information, geographic information, and a seller term from a seller computer, said audiovisual information disclosing a seller offer at a seller location captured via said seller computer, said geographic information associated with said location, said audiovisual information associated with said geographic information, said system providing said audiovisual information to a buyer computer for an acceptance of said offer via said buyer computer, said system conditioning said acceptance upon said buyer computer being geographically positioned in compliance with said term based on said geographic information.