Do you know why some magazines include postcards in the middle? Or have you mailed a letter back to a company in their envelope without having to put a stamp on it? Did you ever wonder how this service works?
It has been a dozen years since the U.S. Postal Service introduced the Intelligent Mail barcode (IMb) to sort and track individual letters, cards, and flats. In many ways, the IMb has lived up to its early promise of many tools in a single barcode.
A series of 65 vertical bars carrying 31...Read More