“What sorcery is this?!” That’s what I thought when I first saw ChatGPT whip up a human-like response in seconds. Spoiler: it’s not magic—it’s math. After 5 hours with A.I. expert Andrej Karpathy, I’m spilling the beans on how A.I. works (in simple terms) and how you can wield it like a wizard for your business, content, and marketing. No PhD required—just a few tricks to turn this probability machine into your secret weapon. Ready to level up? Dive in!