How an empty UPS envelope turned out to be marketing genius Postal blunder offers lessons for all companies, large and small Published: Oct. 6, 2017 at 5:08 a.m. ET ...

That's when I found the checks inside the UPS envelopes totaling over $100,000. My account was charged a whopping $40,000, and still climbing.

UPS envelopes don’t have the cache they once had. Even so, nearly everyone still opens them, unlike most of the junk mail we receive. Shutterstock.

The U.S. Supreme Court gave a former UPS driver another chance to show her employer discriminated against her when she was pregnant, sending the case back to a lower court. At issue is an employer ...