I know a lot of you are throwing in a lot of links in your comments over the last couple of days, so here’s a reminder: Posts with three or more links automatically get tossed into the moderation queue, to prevent spammination. If you try to post a comment and it doesn’t show up, chances are good that’s what the problem is.
Do not assume I’ve put you on a moderation list unless I’ve specifically said I was doing so (as, indeed, I have done a couple of times in the last week) — I pretty much always alert people if they’ve earned a trip to the queue, and almost never spring the moderation queue on people without an announcement.
I’ve also had a few folks punted into the spam queue in the last week or two. Don’t ask me why; Askimet works in mysterious ways.
In both cases, I go through my moderation and spam queues at least once a day and usually more, so the chances are good I will free your comment eventually. Don’t panic.