The document discusses building and maintaining a prospect database. It defines a prospect database as a repository containing contact information for potential customers or sales leads. It then outlines eight methods for building a prospect database, including using business directories, purchasing lists, obtaining leads from events, newsletters, websites, referrals, and in-house research. The document also discusses benefits of a prospect database like easy access to information and better segmentation. It emphasizes the importance of validating, cleaning, protecting and regularly updating the database to maintain quality leads.