Google Just Changed Search Forever: AI Mode, AI Agents, Veo 3, Gemini Upgrades & What It Means for Businesses in 2026

Google I/O 2026 reshaped search forever — AI Mode, AI agents, Veo 3, Imagen 4, Gemini upgrades and Project Astra. Here’s what every business needs to do to stay visible in the new AI-first internet.