Yes, well obviously it's theoretical but it shows just how valuable the dollar is outside the US.
I wish they would change their bills though and get rid of those manky green things which all look the same. As far as I can tell, the one dollar bill is still in existence because of their...
I read an article recently which said that there are more dollar bills OUTSIDE the US than there are in the country itself, and if everyone took their dollars back into the US it would completely destroy their economy.