Just as you share electronic information with friends and colleagues via the internet, you can now do the same thing using the mail. Ah, but I need to pay postage to do that, you might say. Well, not any longer. The USPS® program Share Mail (formerly Alternate Postage) allows you to send letters and postcards to share valuable information, without affixing a stamp.
Read more: http://www.windowbook.com/Learning/Postal-Concierge-E-tips