If the development process involves a number of professionals and the product of this effort will be usable by a number of instructors, the process is more correctly termed curriculum development. Instructional development is best viewed as usually involving one professional (typically an instructor) in the process of preparing for his or her own classes.
Sour cream and yogurt are sometimes used as a substitute by some home cooks or to create a lower-fat version. Ranch dressing has been the best-selling salad dressing in the United States since 1992, when it overtook Italian dressing.
The controversial New Coke, introduced in 1985, used a version of the Diet Coke recipe that contained high fructose corn syrup and had a slightly different balance of ingredients. In 2004, Coca-Cola introduced Coca-Cola C2, which it claims tastes much closer to Coca-Cola but contains half the carbohydrates. In 2005, the company introduced Coca-Cola Zero, a sugar-free variation of regular Coca-Cola. When Tab was released in 1963, the Coca-Cola Company refused to release a diet soda with the Coca-Cola name, fearing that its flagship brand might suffer.