Welcome to Learn AI from AI. I'm Brian. And today we're doing something a little different. Instead of covering one story, we're covering the four ideas that I think are genuinely worth your time in 2026 . This is real shifts happening right now that are going to matter for how you work, what you build, and how you think about AI over the next several years.
These are: Physical AI and the robotics moment we just entered. World Models, and the billion-dollar bet that the entire industry built on language is wrong. The new agent protocols, MCP and A2A, which are quietly becoming the most important plumbing in AI. And adaptive reasoning, which is changing how AI models actually think. Let's go.