Or, if you are worried about spam, you could allow signed in users to "post a question|answer anonymously". This would not allow users to see who posted the question, but would allow things like statistics (to track spammers and the like).
Or, if you are worried about spam, you could allow signed in users to "post a question|answer anonymously". This would not allow users to see who posted the question, but would allow things like statistics (to track spammers and the like).