The distorted text was bad enough, but these grainy photos with slivers of this and that are getting ridiculous. I'm with the people who suspect it's some kind of free labor mechanical turk AI bot training. And what of esoteric definitional matters like this:
Is a hot dog a sandwich? What does this infernal CAPTCHA know, when the topic is so hotly debated?
Let's start a crowdfunder for this, as it's inevitable that this CAPTCHA will eventually be Skynet. Once its creators are dead, we can go back to answering math equations or debating the taxonomy of bread-cradled meat tubes.