How Text Watermarking Works

Recently there's been a big hoohah about how Anthropic is going to watermark its AI-generated text . Anthropic says the watermark won't change the quality of the text. It works by sometimes not choosing the best words. The sky is blue. The sky is falling. Whatever. The change is small enough that you won't notice. Below, every 7th word is not the best word. See if you notice. Let's do a thought…