Google experiences deja vu as second monopoly trial begins in US

1. Google faces a trial regarding monopolistic practices in digital advertising. 2. Judge labeled parts of Google’s ad tech as an illegal monopoly in April. 3. A breakup of Google’s ad business could significantly impact consumers and internet ecosystem. 4. Digital ads generate most of Google’s $305bn revenue, critical for its survival. 5. Recent legal battles could influence Google's stock price positively despite ongoing scrutiny.