One of the reasons Jay-Z is so successful is because he has followed his passions , author says . Jay-Z knows how to market himself and his various ventures . He also understands that people are not going to buy a book about him if they don't know what it's all about.
One of the reasons Jay-Z is so successful is because he has followed his passions , author says . Jay-Z knows how to market himself and his various ventures . By managing his private life well , more focus is on Jay-Z 's music than his marriage .