Zack O�Malley Greenburg is senior editor of media & entertainment at Forbes and author of three books including the Jay-Z biography �Empire State of Mind.� His next, �A-List Angels: How A Band Of Actors, Athletes And Artists Hacked Silicon Valley�will be published by Little, Brown in 2020.� Zack�s writing has also appeared in the New York Times, Washington Post, Billboard, Vibe, Sports Illustrated, McSweeney�s and the Library of Congress; he�s been a source for BBC, NPR, MTV and 60 Minutes, and a speaker at SXSW, CES, TEDx, Harvard and Yale. He lives in New York with his wife and cats.