Increasingly, a Key Goal of Marketing Is to Develop Deep

Increasingly, a key goal of marketing is to develop deep, enduring relationships with all people or organizations that could directly or indirectly affect the success of the firm's marketing activities. Relationship marketing has the aim of building mutually satisfying long-term relations with key parties in order to earn and retain their business.
Discuss the merits of relationship marketing. Describe in detail a company who is in business today that models relationship marketing.