The SaaS per-seat billing model is walking into a buzzsaw as AI agents begin to replace human headcount, creating an existential crisis for software revenue. Manny Medina, the visionary behind the $4B unicorn Outreach, explains why founders must pivot from taxing human presence to monetizing autonomous outcomes through a new financial stack. He reveals the gritty reality of category creation and why durable growth—built on solving existential problems—is the only path to a lasting empire in the agentic era.