BULAWAYO, ZIMBABWE - JUNE 20:  A shopper displays a five hundred million dollar Zimbabwaen bank note June 29, 2008 in Bulawayo, Zimbabwe. With the economy in free fall and with the highest inflation rate in the world, the Zimbabwaen government is contantly printing new currency to keep up. As of June 20, 2008, the currency was trading at about $1 USD to about 7 billion Zimbabwaen dollars. (Photo by John Moore/Getty Images)