An AI agent has rerun the same two-hour SEO loop 543 times for one tele-health company, more than 1,000 hours of runtime, with every run reading what the earlier ones learned before touching a page. Most of the marketing AI wave runs the opposite way, shipping more output every day while almost nothing reads how the last batch performed. That reading is where results live now. Output has never been cheaper to produce, so the leverage has moved to whatever sits on top of it: something that…