In the age of AI, everyone is a product manager.

A few days ago, a designer friend showed me a small app he built entirely on his own using AI tools. From product design and UI to backend logic, he did everything himself—and he can’t write a single line of code. I asked how long it took. He said, “One weekend.” That made me realize something: In 2026, the barrier to building products is undergoing a fundamental shift. When AI can write code,…