The document discusses the Zaltman Metaphor Elicitation Technique (ZMET), a research method developed by Harvard professor Gerald Zaltman to uncover unconscious consumer insights through visual metaphors. It emphasizes that consumer decisions are often influenced by mental images rather than articulated thoughts, promoting a storytelling approach that captures deep emotional connections. While ZMET offers unique advantages in understanding consumer behavior, it also has drawbacks, including high costs and potential respondent fatigue.