With the rapid expansion of e-commerce, courier companies are experiencing a golden age. However, the situation in the United States tells a different story. Despite an increase in the number of packages, the profits of courier companies have remained stagnant. The world's two leading courier giants, FedEx and UPS, have decided to downsize. These courier companies are set to close hundreds of facilities, potentially leading to thousands of layoffs. This situation could result in an increase in shipping fees.