When it comes to guilty-pleasure food, there are few things that best McDonald's fries . . . or McMuffins . . . or McFlurries. If you're a fan of the golden arches, then you're going to love these little-known tips, tricks, and secret-menu-item hacks! Thanks to the knowledgeable fast-food experts on Quora's "What Are Some Favorite McDonald's Hacks?" post, your experience at the hamburger chain is about to get a whole lot happier. Read on for some of the best McDonald's tips on the Internet.