Did you know that standard postage rates apply to ANYTHING that weighs 13 ounces or less?
Did you know that if you stick enough postage and an address on a random object, the US Postal System will deliver it like a normal letter?
Do you want to run out right now and start mailing silly putty to everyone?
AmberLee over at Giverslog has been conducting experiments to test this very principle. Check out some of her successes here!