"In an ever-changing technological world, physical money and credit or debit cards may become obsolete. Easy to lose and easy to have stolen, these 'old-fashioned' ways of paying for goods and services may be going the way of the older trade systems."

Former Executive Editor of Harvard Business Review and current business book reviewer for CNN, noted that “money now is different … It is no longer a thing … it is a system. Money is a network. Few people realize that money, in the traditional sense, has met its demise."