Last year, Mark Zuckerberg sat down for a meal that, by all accounts, blew his tech-loving mind—and it wasn't at a five-star sushi bar or some underground Tokyo tasting room.It was McDonald's. ...

Forget apple pie—in McDonald’s China, you’ll find the Taro Pie, a deep-fried pastry filled with bright purple taro root. Taro has a naturally sweet, nutty flavor and is used in many Asian desserts.

McDonald's recent menu overhauls—including the launch of a McValue menu and new limited-time items—reflect growing competition and heightened price sensitivity among U.S. diners.