Cash Is King as Europe Adapts to Negative Interest Rates

``Europe's ATMs worked overtime in 2015. A record 1.08 trillion euros ($1.17 trillion) of banknotes were in circulation, almost double the value 10 years ago, according to data compiled by the European Central Bank. That's a counterargument to some bankers who say that electronic forms of cash will replace paper money sooner rather than later.'' -- Ruh-roh, could negative interest rates already be spurring a cash flight out of banks in Euroland?