Scott Galloway is a Professor of Marketing at NYU Stern, founder of L2 inc, the man who tells you who the Winners & Losers in digital are, and a guy doling out No Mercy / No Malice. His first book, THE FOUR: The Hidden DNA of Amazon, Apple, Facebook and Google, will be out this October. Learn more via Barnes & Noble, your local independent bookseller, or, yes, Amazon. Follow him and all his musings on Twitter.