Just how high can the great firewall in china really go . But first, to our top story, the u. S. Government is increasing its scrutiny of big Tech Companies. On top of the department of justice and federal trade commission dividing oversight for possible probes into google, facebook, apple, and amazon, the house judiciary says it will spearhead its own investigation into possible antitrust practices. House lawmakers plan to hold hearings on the matter, a move endorsed by House Majority leader nancy pelosi, who had this warning. Unwarranted, concentrated power in the hands of a few is dangerous to democracy, especially when digital platforms control content. The era of selfregulation is over. Joining me to discuss is our bloomberg tech correspondent. What is the latest Development Today in all of these potential or actual investigations . The only sort of publicly confirmed new investigation is the one you mentioned coming out of congress. The doj and ftc have not even confirmed reporti