I'm not really talking about this from an a11y standpoint, but audio CAPTCHA's are so much easier than "choose the fire hydrant" hell. I actually remember read

I'm not really talking about this from an a11y standpoint, but audio CAPTCHA's are so much easier than "choose the fire hydrant" hell. I actually remember reading a post saying that an accessible CAPTCHA is hard. To make it accessible, you have to make it machine-readable, which defeats the point...