Change?

http://go.reuters.com/newsArticle.jhtml?type=oddlyEnoughNews&storyID=11539876&src=eDialog/GetContent

Okay, I gotta ask: the article mentions that "some people" are taken in by these bills. Who? How? Is there some 7/11 clerk somewhere giving change for a billion dollars? What business, person, bank, etc. could even begin to handle a bill that large in cash?