Great pick. With this goes along the idea of a cashless society.
The World Payment Report is forecasting a double-digit growth worldwide. By 2020, the volume of cashless payments is expected to grow by an average of almost 11 percent, with emerging economies expected to come in at 19.6 percent and industrialized nations at 5.6 percent.
RE: The Economist in 1988: " Get ready for a World Currency"