Not invisible characters (that would be easy to bypass by not copy-pasting the text ChatGPT outputs). https://techcrunch.com/2022/12/10/openais-attempts-to-wate

Not invisible characters (that would be easy to bypass by not copy-pasting the text ChatGPT outputs). https://techcrunch.com/2022/12/10/openais-attempts-to-watermark-ai-text-hit-limits/ https://techcrunch.com/2022/12/10/openais-attempts-to-waterm...