He's right. For starters, most people should at least establish a known Nostr identity as a backup.
nostr:note17luu3jfqyucz2sjggkmdt3vhwxc0ngt0h8pem3tc98xa09jadf4qcjmvsk
I'd say that's a good start. Once you go Nostr, see it's potential, and understand it's power, there's no going back.
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