This document discusses key customer service metrics that organizations should track, including customer satisfaction, loyalty, feedback, contact volume, agent performance, and more. It recommends focusing on 2-3 metrics that relate to the business' core goals of revenue, profit, and growth. Examples are given from companies like Zappos and Bonobos that illustrate how they measure and improve customer service. The document stresses the importance of proper data collection and analysis to ensure metrics are meaningful.