The concept of ‘Plastic Money’ that is use of credit or debit cards has taken the world by storm. Till two decades in the past, people had no idea how to maintain and improve their financial discipline. For financial transaction the currency had to be carried along, stuffed in briefs, wallets or whatever sources. It was very cumbersome and fraught with the risk of loss due to theft or negligence in transit. Moving with money was not only inconvenient but involved lot of risks. What if the money you carried was insufficient to strike the deal or instead if you ...