If future is the way to go, sooner or later, you could well be making a tip at your favorite restaurant through your smartphone ! Want to know how? Yes, cash is slowly sliding into a slow death. With ever growing gadgets around us utilizing the Internet more and more, supported by popularity of e-commerce sites like ebay and Flipkart, decline of currency note seems evident.
So what technology is likely to become a de-facto standard of payments at restaurants, retails and transport and replace traditional cards?
