Electronic bulletin board services for shopping information service; Electronic bulletin board services for social network services; Electronic transmission of product reviews and information via a global computer network and communications networks; Providing access to a blog, chatroom, bulletin board or discussion service; Providing on-line electronic bulletin board services and chat rooms; Electronic bulletin board services for location-based social networking service (SNS); Electronic bulletin board services that enable connection to a variety of thematic information and opinions via internet; Transmission of product-related information via national and international networks; Providing user access to a global computer network and on-line sites containing information on a wide range of topics; Providing access to a global computer network via mobile devices; Provision of access to an electronic on-line network for information retrieval; Transmission of advertising programs and media advertising communications via digital communications networks; Data transmission and data broadcasting; Internet broadcasting services; Netcasting, namely, broadcasting over a global computer network