Surprising Messages From a Mail Truck

The U.S Postal Service is a productivity dilemma because it provides necessary services but, shown by its trucks, is not as efficient as the private sector.

Should the US Postal Service Be a Monopoly?

The 5-digit zip code is rather amazing. Introduced by the US Postal Service in 1963, it became the key to automation. Whereas a single person could sort, at most, a letter in one second or 3600 an hour, zip codes…