Complaints about the number of packages handled by the United States Postal Service (USPS) can be addressed by implementing several strategies to improve the process. Here are some detailed suggestions:

1. Automation and Technology:
- Implement advanced sorting and processing technologies to increase efficiency. Automated sorting machines can handle a higher volume of packages in less time.
- Utilize barcode scanning and tracking systems to streamline package handling and reduce errors.
- Invest in route optimization software to enhance delivery routes and reduce travel time.

2. Workforce Management:
- Hire additional staff during peak seasons to manage the increased volume of packages effectively.
- Provide comprehensive training to employees to improve their efficiency in handling packages.
- Implement performance metrics and rewards to motivate employees and ensure productivity.

3. Collaboration and Partnerships:
- Collaborate with e-commerce companies and retailers to optimize the packaging and labeling of products, making it easier to handle and sort packages.
- Establish partnerships with local businesses or third-party logistics providers to offload some package volume during peak periods.

4. Customer Education and Communication:
- Educate customers about proper packaging guidelines to prevent delays and damage during transit.
- Encourage customers to use USPS online tools and services, such as scheduling pickups, tracking packages, and printing labels, to reduce manual handling.

5. Infrastructure and Facility Upgrades:
- Invest in upgrading USPS facilities to accommodate higher package volumes. This includes expanding sorting centers, installing additional automated sorting machines, and improving storage capacity.
- Improve transportation infrastructure to ensure timely and efficient movement of packages between facilities.

6. Pricing and Service Offerings:
- Evaluate pricing structures to incentivize customers to use USPS for smaller or lighter packages, which can be processed more efficiently.
- Introduce new services or delivery options tailored to the needs of e-commerce customers, such as flexible delivery windows or alternative pickup locations.

7. Data Analysis and Forecasting:
- Utilize data analytics to identify peak periods, predict volume fluctuations, and allocate resources accordingly.
- Collaborate with partners to share data and forecasts, enabling better coordination and planning.

References:
- USPS Strategic Plan 2021-2025: https://about.usps.com/strategic-plans/strategic-plan-2021-2025.pdf
- USPS Parcel Processing Strategy: https://www.uspsoig.gov/sites/default/files/document-library-files/2019/RARC-WP-19-006.pdf
- USPS Future Ready: https://www.uspsoig.gov/sites/default/files/document-library-files/2019/RARC-WP-19-001.pdf