The Akismet spam filter included with WordPress.com means I am not troubled by comment spam on my blog at all, ever.
However, I recently reviewed the spam sitting there all alone in quarantine. Most was inviting me to sample all sorts of delights describing all manner of different and very imaginative ways that a man and (wo)man can be joined together.
One spam comment stood out head and shoulders above all others though with a blissfully simple but effective, marketing message.
GREAT VACUUM CLEANERS