Ask HN: Can I sue Twitter for leaking my email?
More info on the leak: https://www.bleepingcomputer.com/news/security/200-million-twitter-users-email-addresses-allegedly-leaked-online/
Will you gain anything? Unlikely.
Why?
Historically these sort of lawsuits require you to have material damages in order to get anything. Have you been materially damaged?
Ps. I'd be happy to make a small donation to your lawsuit.