The document provides information on various methods for measuring customer satisfaction and loyalty. It discusses customer satisfaction surveys, the customer satisfaction score (CSAT), net promoter score (NPS), customer effort score (CES), social media monitoring, and tracking "things gone wrong." The key methods are surveys, CSAT which measures satisfaction levels, NPS which measures likelihood of recommendation, and CES which measures ease of resolving issues. Social media can also provide insights and complaints can be tracked to identify problems.