The End of Cash?

In the UK most payments now made do not involve cash. Rather than handing over notes and coins, most transfers are made electronically. South Korea's central bank has a target of eliminating cash by 2020 and many other countries want to reduce the amount of physical currency in circulation as it is quite costly. So is cash going to be a thing of the past? Owen Bennett Jones and his guests discuss the possibility of a truly cashless society.