“Terrific work! This is the kind of information that are meant to be shared around the net.
Disgrace on Google for not positioning this post higher!”

I think it is entirely reasonable to conclude that a sarcastic tone in spam comments is proof of an emergent machine intelligence. Really makes one think about one’s output.

‘Ooh, cats, p0rn and commerce, is it? You’ve come a LONG way from Abydos.’