The United States Postal Service (USPS) is the only organization in the country that regularly delivers to every residential and business address. USPS is committed to providing secure, reliable, and affordable delivery of mail and packages to more than 157 million addresses in the United States, its territories, and its military bases worldwide. Processing and delivering 47 percent of the world's mail, USPS manages over 30,000 retail locations and constantly innovates to make customer experiences better. Customers have had mixed experiences with the USPS. While the people working in the office are always very kind and helpful, some customers have had issues with packages being left at the post office instead of being delivered to their homes as requested. However, other customers have praised the USPS for their timely and friendly service, with some even receiving their packages a day early. Overall, the USPS is dedicated to serving its customers and is constantly working to improve their experiences.