The Commensurate Sales to Popularity Concept (CSPC)
There are two ways to understand this revolutionary concept. The first is the Scribe video posted below. If you are unaware of the CSPC, you will get the whole idea within just a couple of minutes.
If you are a mathematical person, and want to know the whole method as well as formulas, you can read the full introduction article.
Now let’s get into Mariah Carey’s detailed sales figures in order to apply this concept and define her true popularity!