Where Has All The Spam Gone?

I got my first SpamKarma report on comment spam for symphonious.net in over a week today.  It reports no attempted spam whatsoever.  Previously I’d been getting almost a hundred attempted spam comments a day and now suddenly it’s stopped.  I’m pretty sure I didn’t change anything and I don’t think my comments are broken (though I had to relax the spam protection a while back as it was blocking comments with more than one link which caused problems for a couple of people).  Course if my comments are broken, let me know below….