Imagine the internet cable in your neighbourhood gets cut. Right now, that means no Google, no ChatGPT, no maps, no marketplace, no messaging. The cloud goes silent. HearthNet changes that. It's a local AI mesh that turns local devices in your neighbourhood — your gaming PC, your neighbour's old laptop, the Pi in someone's attic — into a shared, resilient AI cooperative. The answer is generated locally, three streets away. The cloud owns AI today. Communities will own it tomorrow.