Answer:
Direct marketing.
Explanation:
This issue is related to the marketing communication method called direct marketing or relationship marketing.
Direct marketing can be defined as a set of strategic actions whose main objectives are customer loyalty through the establishment of a more personalized relationship between the customer and the organization. Relationship marketing seeks to get to know its customers in depth so that it can always offer a product and service directed to their needs, through some actions, such as those carried out by Harold, who seeks to know his customers and tastes in order to offer the ideal product to your wants and needs.