“There is ample evidence that servers can increase their take by doing things like writing thank-yous and smiley faces on checks, kneeling next to tables while taking orders, and touching patrons gently on the shoulder-all of which emphasized their lower status and the extent to which their livelihoods depend on pleasing others.” TippingTips Book:That's Not English: Britishisms, Americanisms, and What Our English Says About Us Source: That's Not English: Britishisms, Americanisms, and What Our English Says About Us