Here's what makes coding the real product-market fit for AI: the ability to generate and refine code is where artificial intelligence hits its stride. Think about it—the fastest growth trajectory? That's when AI starts writing its own code. Self-iteration becomes the engine. Each iteration gets smarter, faster, more capable. It's not just recursive improvement; it's exponential evolution. When an AI system can debug and optimize itself through actual code execution, you're looking at the inflection point where exponential growth kicks in.