When The Document Foundation was announced sixteen years ago, some people found the name a little flat. It didn’t sparkle. It named an object — the document — rather than a product, a movement, or an aspiration. Today, that same name is worth a second look, because it turns out to have pointed at exactly the place the digital sovereignty debate would eventually arrive. To see why, it helps to ask a simple question: when you are locked into a piece of software, where does the lock actually live?