Most people think of “audience” as those who watch television, listen to the radio, read a magazine or newspaper or surf the web but “media are businesses.“ In the same way a hardware store sells nuts and bolts, the media sell product - YOU – the audience. Guaranteeing an audience to advertisers is what the media do and it has to be the “right” audience - those with money to spend on the advertised product or products. Thisprogram examines the concepts of demographics, psychographics, howratings affect media, targeting and on-line advertising.