There is a post at this link: http://lesswrong.com/lw/mp3/proper_posture_for_mental_arts/
It does not appear in my discussion feed. See the timestamps in the pictures below:
It's currently 0900 local time on the 1/9/15. The only reason that I can think of this being wrong is that its a timezone publishing effect. But I don't know how, or what to do about it...
It also does not appear in an incognito window view of the discussion.