Distinguish between functional and psychological needs

1. Distinguish between functional and psychological needs. Identify 1 product that would fulfill each need for you and explain how it fulfills your need.
2.Define market segmentation. Why do marketers use it? Identify and give an example of successful market segmentation.
3. What is brand repositioning? Identify an example of a marketer who has repositioned a brand. Has the repositioning been successful? Why or why not?