These days, customers who visit a restaurant to pick up a carryout order, or even a fast-food drive-thru, may be greeted by a prompt on the screen asking how much they'd like to tip. In some cases, it ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Healthy fast food sounds like an oxymoron—but it’s now easier than ever to enjoy quick-serve food that’s ...