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Actually I'm wrong about hackernews, you'd need a username, but still, you can choose that after you sign up, and you shouldn't be able to log in with that user
by volkangurel 12y ago
Actually I'm wrong about hackernews, you'd need a username, but still, you can choose that after you sign up, and you shouldn't be able to log in with that username, that should only be a public handle for your account on forums, comments, etc.