Answer:
1. One-to-one marketing or 1:1 marketing is a strategy that emphasizes having an individualized experience with customers. The personalization of interactions is thought to improve customer loyalty and have a high return on marketing investment. One-to-one is not necessarily a new concept.
2.Differentiated marketing is a strategy that involves a company creating marketing campaigns that appeal to two or more segments of their target audience. It helps companies improve brand recognition, reach a wider audience, meet customers' needs, and increase revenue.
3. Undifferentiated marketing, also called mass marketing, is a strategy that entails creating one message for an entire audience. It helps businesses reach more people at a lower cost and improves brand recognition