CineCalidad. PBS Frontline takes an in-depth look at the multibillion-dollar "persuasion industries" of advertising and public relations and how marketers have developed new ways of integrating their messages deeper into the fabric of our lives. Through sophisticated market research methods to better understand consumers and by turning to the little-understood techniques of public relations to make sure their messages come from sources we trust, marketers are crafting messages that resonate with an increasingly cynical public.