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.
On October 14, 2011, Mac Miller released a 13 song mixtape called I Love Life, Thank You, featuring Sir Michael Rocks of The Cool Kids, Talib Kweli, and Bun B. On November 2011, Blue Slide Park debuted at number 1 on the Billboard 200 with first week sales of 144,000 copies.