The House Judiciary Committee today conducted 5-hour hearings, “Online Platforms and Market Power: Examining the Dominance of Amazon, Apple, Facebook, and Google".
At one point Zuckerberg joked that he would not buy Facebook.
Ad Robertson summarizes the hearings for The Verge (Vox) as picked up on my iPhone by Smart News. The Wall Street Journal has a little booklet with numerous articles, each about an individual Company. CNN has a detailed report by Brian Fung.
(Note: I am having some problems with links and the new Blogger editor. I may have to put them at the end of a post sometimes, and may have to use the old editor for a while.)