The USPS has been taking it on the chin for years. It's time they sold out. First off, stamps are cool, but

ads are profitable. Let's sell that space. Next, we know the letter is going from a residential address in St. Louis to a residence in Honolulu. Here's a great opportunity for airlines or local businesses to get in a targeted pitch. And then there are those goofy mailmobiles. They're mobile outdoor waiting to happen.