Google and the U.S. Justice Department wrapped up closing arguments on Friday over claims that the Alphabet unit has unlawfully dominated web search and related advertising, in a case the government contends could shape the “future of the internet.

Google's nearly $100 billion in profit in 2023 came mostly from selling advertising — a market that it dominates largely because it controls about 90% of the U.S. internet search market.

The first tech monopoly trial of the modern internet era is concluding. The judge’s ruling is likely to weigh heavily on a pipeline of similar antitrust cases.