Sunday deliveries bring changes and challenges to United States Postal workers

(WBIR) One of the oldest practices in US history is making some big changes.

Customers are now receiving packages from the United States Postal Service on Sundays.

During the Thanksgiving and Christmas Holiday season, the US Postal Service partnered with Amazon to bring customers deliveries all 7 days of the week. After seeing a lot of success, the practice is continuing into 2015.

But for those in the postal business, it’s a big change from everything they’ve ever known.

via Sunday deliveries bring changes and challenges to United States Postal workers.