To provide a marketing system using two-way communication broadcasting among a plurality of viewers, a broadcasting station, and a sponsor.

A broadcasting receiving means 15 accepts a marketing request from a sponsor, and a survey configuring means 17 configures survey contents to be broadcast by the broadcasting station based on the marketing request accepted by the broadcasting accepting means 15, and a question transmitting means 20 transmits the survey contents configured by the survey configuring means to the broadcasting station, and a viewer statistics means 21 analyzes the answers based on the marketing request accepted by the broadcasting accepting means, and stores it as viewer statistical data, and a statistical data providing means 23 provides the viewer statistical data for the sponsor.