"As individual households rely more and more on the Internet for a wider array of their communications, the nation’s Postal Service—by default—is becoming primarily a medium for the transmission of business correspondence. All tallied, bill presentment and payment, commercial correspondence and advertising combine to generate 93% of total U.S. First-Class Mail volume today."
What does that mean? Businesses, including small and midsize businesses, are the ones paying for the Postal Service's inefficiency and inability to control costs.