Why breaking up Amazon, Google, Apple, and Facebook could save capitalism

If you want to get an idea of how quickly sentiment has shifted against U.S. tech giants, just listen to NYU professor Scott Galloway.
The marketing professor is a self-professed fan of companies like Facebook, Apple, Google, and Amazon. He’s made a bundle owning their stocks, some of them are clients of his, and he even wrote a book last year called The Four: The Hidden DNA of Amazon, Apple, Facebook, and Google.
Over the past two years, Galloway’s annual talks at the DLD Confe