A United Parcel Service (UPS) delivery man unloads boxes from his truck outside a business in Washington, DC, November 5, 2010.  - 

This final note: Maybe one of the presents you ordered didn't make it to your house in time to put beneath the tree.

Well, UPS says some shipments were delayed this year. Why? "Heavy volume," the company says.

In other words, too many packages, people!

Last week, Big Brown delivered a 132 million packages. On Monday alone, it processed 7.5 million shipments.

So, a note to shoppers. Remember, all those promises made in the online world, about what'll get where by when, still have to be carried out in the real world.

Follow David Gura at @davidgura