The document discusses the synergy between customer experience management (CEM) and customer success management (CSM) in building customer-centric operations for both public companies and startups. It presents two case studies on subscription-based businesses focusing on customer lifetime value and Net Promoter Score (NPS) as key growth metrics. The document emphasizes the need for a comprehensive customer stack that integrates various systems for customer feedback, engagement, and analytics to optimize customer interactions and business outcomes.