Why are artist paid millions of dollars to perform on tours?

According to the article in wiki answer, digital communication systems have more benefits than analog systems. they are faster and more flexible, and they offer better performance than analog communication

Ashape is a three-dimensional form or a two-dimensional form?

1. according to bertrand, what is the purpose of relaying the story of samson at the beginning of the chapter? in other words, what does it have to do with the subject matter?