Why do we need Nostr?

Or, asked another way: Why is Nostr important?

This is the 3rd question that's asked in the Nostr edition of "21 Questions," and will be answered by some of the most well known people involved in this space.

But how would 𝘺𝘰𝘶 answer that? I'll zap my favorite answers, and if I 𝘳𝘦𝘢𝘭𝘭𝘺 like it, I'll include it in the book, too!