Even if you want to remain anonymous and don't deliberately reveal your identity you can almost always be identified anyway. That's why services like HN aren't

Even if you want to remain anonymous and don't deliberately reveal your identity you can almost always be identified anyway. That's why services like HN aren't truly anonymous but pseudonymous. It takes a lot of effort, a lot of knowledge and a lot of luck to stay truly anonymous on the internet... especially in the long run. The only way to be sure you're never identified on the internet is to never use it at all.