so we ask, how many pieces of mail will the u.s. post office move this year? on an average day, the postal service handles 559 million pieces of mail. today that is expected to jump to 800 million postcards, envelopes, and packages. it is crunch time at amazon.com. the online retailer has hired thousands of seasonal workers to package your presents in time for christmas. poppy harlow is in new york. really, you got an inside look? >> we got an inside exclusive look at amazon.com where the magic happens. i've got to say, this place is like santa's warehouse. all of these elves packing up boxes. you wonder what happens after you click that order button, how ho they get things to you so quickly. and it all comes down to