待翻譯：Who's doing what with watermarking AI content?

AI 服務暫時不可用，以下為來源正文，待恢復後補全翻譯。

Anthropic is bringing SynthID-style text watermarking to Claude, John Gruber has some objections, and James Padolsey has the clearest explanation I’ve seen of how it works. This whole discussion got me wondering what everyone else is doing. Here is where the major AI companies currently stand: