This is shown on unanswered posts:
Know someone who can answer? Share a link to this question via email, twitter, or facebook.
Why is this removed when someone gives an answer/suggestion?
Share a link to this question via email, twitter, or facebook." should remain.
It's often the case that the user who gives a poor (first) answer to my question stops me from easily posting the question to my Twitter followers who would give me a better response.