Strip the product names off for a second. In plain English: you type a prompt, and a typical 2026 frontier app hands you a menu — fast chat, thinking modes, images and voice, research, and agents that go off and use tools. Then the output lands somewhere real: your work, your customers, your day-to-day processes.
YOU (prompt)
↓
2026 AI STACK (typical frontier app)
├── Chat (fast / thinking)
├── Multimodal (image, voice, files)
├── Search / research
└── Agents (tools, multi-step)
↓
OUTPUT → your work, your customers, your job processes
So 2026 AI is not one chat box on a website. It's infrastructure — quietly reshaping search, office work and factory floors — and it got here faster in four years than almost anyone predicted.
Next up is the heavy one: workforce reality — the numbers, Meta, the robots — in Lesson 5. Eyes open, sources cited, no scaremongering.
Continue — the quiz.