They can provide information directly, or provide a link for more information.
Visible watermarks are useful to disclose when content is AI-generated.
Invisible watermarks can mark content as authentic.
...And vice versa! There are many possibilities for what watermarks can provide.
Watermarks can also provide information about content created by people.
They are a useful tool for AI provenance.
For more information on watermarking -- what watermarking is, why it's important, and the tools available on Hugging Face -- please check out our blogpost on AI watermarking.