It added more than $2 to the tip and no one seems to know why—and she's not the only one it's happened to. You've surely noticed that tipping is everywhere now, even in places you'd never expect, like ...

Gone are the days when customers tipped a waitress who served them by putting cash directly in her hand. Now, point-of-sale self-checkout kiosks prompt people for tips — even if the customer didn’t ...

Drinkers have been left outraged after spotting contactless 'tipping machines' at a Brewdog bar in London. This week, a furious customer shared a picture of the 'tap to tip' machine on the bar during ...