Realogy Holdings, the world's largest real estate company, leverages Neo4j to gain a holistic understanding of its customer ecosystem, comprising agents, brokers, and end consumers. The graph technology helps identify relationships between agents and their networks, which are crucial in retaining employees from leaving the company. Realogy chose Neo4j due to its industry standard, ease of use, and community support. To effectively utilize Neo4j, it's essential to prioritize use cases based on their potential to serve multiple purposes, avoid overloading the graph with too much data, and recognize when to say no to excessive requests. As graph technology continues to evolve, its future holds immense promise in accelerating innovation through machine learning and artificial intelligence by leveraging features engineering and utilizing graph algorithms as a standard practice.