Yes I know that, and indeed it sounds amazing. But then the matter is shifted onto GitHub and Twitter, which do require passwords.
I agree. But there will still be a root to an account which requires a password, hence in my opinion won't be possible.
Why does it have to be like that? Why a password at all? Authenticator can offer a similar service.
It all started in the Ancient Times where you should check this link on Wikipedia about it. lol
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