New US credit cards are about to make tipping a lot more awkward

In the US, where waiters and bartenders earn a good chunk of their bread and butter off tips, the handing over of the bill to customers is a sacred ritual in which much income is made or lost. Unlike in Europe, Americans typically add their tip on paper at the table when they approve the final charge. But that ritual will […]

http://qz.com/513592/the-way-you-tip-your-waiters-is-about-to-change/