Should Congress Crack Down on Big Tech?

The growth of the tech industry is a great American success story: Apple, Amazon, Facebook and Google have created numerous jobs and raked in trillions of dollars around the world. But today, for the first time, four tech titans – Sundar Pichai of Google, Jeff Bezos of Amazon, Tim Cook of Apple and Mark Zuckerberg of Facebook – are joining Congress to face the question: Is big tech just too big?