China News Service, July 30, comprehensive report, on July 29 local time, the US House of Representatives Judiciary Committee Antitrust Panel held a hearing, the four major US technology companies-Amazon, Google, Apple and "Facebook" chief executives The chief executive officer (CEO) was present by video.

The picture shows "Facebook" CEO Zuckerberg.

  According to reports, the hearing includes reviewing whether Amazon is suspected of buying and selling user data; whether Apple’s app store’s policies are reasonable; Facebook’s acquisition strategy and its dominance in online advertising; and Google’s behavior in search and advertising.

The picture shows Apple CEO Tim Cook.

  The four CEOs were questioned and tortured by lawmakers at the House of Representatives hearing. US lawmakers from both parties accused these companies of using their influence to suppress competitors and hinder competition.

  The New York Times pointed out that the 15 members of the antitrust team took turns asking sharp questions during the five-hour hearing, and even interrupted the answers of the four CEOs many times. Democratic lawmakers criticized the "big four" for stifling start-ups through mergers and acquisitions and "eliminating" rivals with unequal databases; the Republican Party criticized the "big four" for blocking conservative speech.

The picture shows Amazon CEO Bezos.

  Reuters reported that this is the first time Amazon CEO Bezos has gone to Congress to testify, and it is also the first time that four "tech leaders" have appeared together at the hearing.