Remember this? "Two all-beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun." How about this one? "Hold the pickles. Hold the lettuce. Special orders don't upset us. All we ask is that you let us serve it your way!" Those iconic jingles for McDonald's (the former) and Burger King (the latter)--created more than 30 years ago--became part of the American lexicon and only intensified the magnitude of the legendary burger chains' popularity. Now, let's see 'em try to rewrite the legendary jingles and incorporate "test tube."