The Innovation For All podcast released a super timely episode related to this yesterday. It was on whether tech companies like Facebook and Google are monopolies and if that's really a problem. https://itunes.apple.com/us/podcast/google-facebook-are-mono...

The guest went into this topic some more: "While Facebook had publicly declared itself ready for new federal regulations, Ms. Sandberg privately contended that the social network was already adopting the best reforms and policies available. Heavy-handed regulation, she warned, would only disadvantage smaller competitors."