Some stand on street corners asking for money to buy food and gifts for the needy.
VOA: special.2009.12.20
An American who wants to deal primarily in Bitcoins will, at some point, need to either buyfood and shelter in Bitcoins or convert some of their Bitcoins to dollars.
This group of people has passed the threshold of survival and does not need to worry about the basics such as food and clothing, and it has some disposable income tobuy discretionary goods and services.
Writing in the latest issue of The Lancet, they suggest that a lack of strength or a lack of friends or family prevented some people from being able to go out tobuyfood.