Here are a few ways to think about it:
It's a billion 40" LCD TVs. The US could give a TV to every household in the world that didn't have one.
It's 25 billion pairs of Jessica Strappy Sandles. Women might think that's a good deal.
It's the cost of raising 5 million children to the age of 17. Someone should think about that.
It's 500 million Craftsman ride on mowers - with headlights. It's important to keep the grass cut in poor economic times.
It's 16 million Chevrolet Corvettes. If there's going to be a meltdown then at least you can enjoy your wheels.
It's the GDP of the following countries, which gives one pause for thought...