The classic boxy mail truck you are used to may be on it's way to extinction. The United States Postal Service is working to get rid of the whole fleet of trucks that have been in service for the past 27 years.
When I was born, a postage stamp cost $0.15 cents and as a kid, I remember when the price of a stamp was just a quarter. Not the case now, just this past month the cost to zip off a letter went up to $0.46 cents, but that's not enough to get our ailing Post Office out of trouble. I've always loved getting mail on at least one weekend day (Saturdays), but come August, just like the Pony Express and