The latest spam comment on this blog just got blocked. From this post.
Does rickrolling seems really long ago to you?
A larger mystery: why spam comments appear on posts from five years ago, and not on the latest ones. (This is usual, and regular if not particularly frequent.) Do the spammers think they'll have a better chance with the old posts of sneaking in unnoticed? But if so, why would they think anyone would ever see them?