Behind the calls to regulate big tech, a debate about power and who wields it

Technology companies have gotten big. Facebook, Twitter -- some of the most recognizable names in corporate America. But they've also been surrounded by their share of controversy, and there have been many calls for government regulation for places like Facebook and Twitter. So what does that mean? Is it realistic? And, to what extent are these companies already regulated? Brett Frischmann, The Charles Widger Endowed University Professor in Law, Business and Economics at Villanova University joins KYW In Depth to talk about the arguments surrounding regulation of this enormous section of American enterprise, what could be coming as the discussions heat up, and what the term 'big tech' even means. See omnystudio.com/policies/listener for privacy information.