The document discusses customer service and its importance for businesses. It defines customer service as activities designed to increase customer satisfaction before, during and after purchases. Good customer service is essential for businesses to create new customers, keep loyal ones, and get referrals. It involves positive interactions from initial greetings to resolving issues. Automated services and getting instant feedback on experiences have also improved customer service. Overall, providing good customer service leads to customer trust, referrals, and long term business success.