An app can die without a single line of its code changing. Nothing breaks inside; the world around it moves. A demo — or an AI-generated prototype — shows you an app on day one. The question that actually matters almost never gets asked: does it still work three years later, on day 1,095, when nobody has touched it since? That's not a rhetorical question. Here is, precisely, what happens during those three years. The inventory: what breaks when nothing moves The stores change ...