1) That's not too long for a comment. This isn't twitter; we're used to comments that are several paragraphs long. 2) If you do post a link to something, use

1) That's not too long for a comment. This isn't twitter; we're used to comments that are several paragraphs long. 2) If you do post a link to something, use the full link. Link shorteners like bit.ly are frowned upon at HN. This isn't twitter; characters are not at a premium, and many of us prefer to see the real destination of the link.