The document discusses different marketing approaches and strategies for generating leads. Mass marketing uses broad advertising approaches to reach many potential customers at once, while direct marketing aims to develop ongoing relationships with individual customers in a targeted database. Various lead generation techniques are described for both mass marketing, like print ads and promotions, and direct marketing, such as direct mailers, newsletters, and seminars. The document emphasizes that most qualified leads are not immediately ready to buy and must be nurtured over time through tailored communications. It provides tips for identifying prospects from a pool of suspects, qualifying leads, and measuring the success of prospecting efforts through metrics like cost per sale.