If hadn't watched The Persuaders on PBS, you should hunt it down and watch it, right now.

If you want to see the depths of marketing and selling of products and ideas, there hasn't been better coverage of it in decades.

Americans are swimming in a sea of messages.

Each year, legions of ad people, copywriters, market researchers, pollsters, consultants, and even linguists—most of whom work for one of six giant companies—spend billions of dollars and millions of man-hours trying to determine how to persuade consumers what to buy, whom to trust, and what to think. Increasingly, these techniques are migrating to the high-stakes arena of politics, shaping policy and influencing how Americans choose their leaders.

In "The Persuaders," FRONTLINE explores how the cultures of marketing and advertising have come to influence not only what Americans buy, but also how they view themselves and the world around them. The 90-minute documentary draws on a range of experts and observers of the advertising/marketing world, to examine how, in the words of one on-camera commentator, "the principal of democracy yields to the practice of demography," as highly customized messages are delivered to a smaller segment of the market

The parts on the 2004 election are particularly interesting.