Google has started rolling out ads in AI mode, which is the company’s “answer engine,” not a search engine. AI mode has been available for a year and is accessible to everyone for free. If you pay for Google One, AI mode lets you toggle between advanced models, including Gemini 3 Pro, which generates an interactive UI to answer queries. Up until now, Google has avoided showing ads in AI mode because it made the experience more compelling to users. At the same time, Google has been slowly pushing...