$200 billion also buys a lot of fill.
I've felt for years that as a kid watching 'The Jetsons' we'd have flying cars by the time I was a grownup - Well, I'm 46, and we STILL DON'T have any flying cars! Not to mention those maid robots that clean for you - of course the Jetson's didn't have stairs in their futuristic home! But we are close with the flat screen tvs...