until then you can stock up on those 46 cent forever stamps to save a few pennies. u.p.s. meantime angered scores of customers this christmas day because many of their packages didn't get to their destinations on time. some are still at the warehouse waiting to be shipped and delivered by santa. u.p.s. blames it on a volume backlog. they had more packages than they could handle. margaret conley is live in new york with some answers and a response from u.p.s. margaret, how did this happen? >> reporter: fred, u.p.s., they're off today for christmas. they decided to not call in their drivers to work the holiday today but they'll be back first thing tomorrow for delivers. they said they're sorry. here is more from their statement. u.p.s. is experiencing heavy holiday volume and making every effort to get packages to their destination. however, the volume of air packages in our system exceeded the capacity of our network immediately preceding christmas so some shipments were delayed. to give you a sense of how many