In an effort to increase package volume, the US Postal Service has changed the design of its boxes and the names of its services. This strategy went into effect last week with, among other changes, the introduction of “Priority Mail Express” to replace the simpler but less catchy “Express Mail”.
Check out this video introducing these changes.
http://www.youtube.com/watch?v=CreCugLB9ww&feature=em-uploademail