I wouldn't have called it a social network - there's really no graph of user connections, unless you want to consider a graph of directional has-replied-to or h

I wouldn't have called it a social network - there's really no graph of user connections, unless you want to consider a graph of directional has-replied-to or has-upvoted links, but that's pushing it. But if another technology added an embedded HN clone, they would call it "social networking features", probably...