Smart diners rely on restaurant reviews to find good food. But a new study investigates for the first time the complex relationships between online ratings and real-world success—and reveals that losing just half a star can leave a restaurant in ruin.
If you're staying in a miserable hotel, you're entitled to post a bad review of it. But as a British couple recently learned, you should probably wait until you're checked out to write it. Or they'll check you out forcefully.