You can use it anywhere you need to distribute the safeguarding of a secret, which could be anything under 2GB (private keys, BTC seed phrase, pdf doc, etc.). The website explains it in more detail under the "use cases" section, where you'll find some examples.
If you come up with a cool new use case, I'd love to hear about it.
If you come up with a cool new use case, I'd love to hear about it.