The digital advertising ecosystem is witnessing a pivotal moment as Alphabet, the parent company of Google $GOOGL, faces heightened antitrust scrutiny from the US Department of Justice. US District Judge Leonie Brinkema’s ruling found Google guilty of “willfully acquiring and maintaining monopoly power” across two essential markets: publisher ad servers and ad exchanges. These platforms are critical for online news publishers and content providers aiming to monetize their digital offerings through advertising.