Oh, and they are used as a substitute for the lack of hyperlink markup in HN, which makes them a necessity when linking sources in comments.
Not particularly so when compared with e.g. mailing lists (those I frequent anyway) and usenet.
[0] http://daringfireball.net/projects/markdown/syntax#link [1] see what I did there
Oh, and they are used as a substitute for the lack of hyperlink markup in HN, which makes them a necessity when linking sources in comments.