How does this work behind the scene? BTW: I might be an exceptional person. But the first thing I look for in a new software is how it works. Granted that, in

How does this work behind the scene? BTW: I might be an exceptional person. But the first thing I look for in a new software is how it works. Granted that, in most cases, I might not be the targeted audience. But a brief introduction can effectively boost my interests in learning more. The opposite case, i.e., no such information, turns off my curiosity.