Gemini model expansion & user growth; AI Mode reaches 1B users

Google released three new Gemini models, cut Spark price to $20/month. Gemini reached 950M MAU. Q2 earnings show strong AI-driven growth but capex surge. AI Overviews in 43% of searches. AI Mode now has 1B users, signaling shift to AI-first search. Gemini Live rolling out to Home Mini and Nest Hub. Google's AI search ads are reshaping PPC, shifting from keywords to intent.